From 520c7fbbd0356f135a19cc764ff70e7f52ba11a0 Mon Sep 17 00:00:00 2001
From: Louis Dionne <ldionne.2@gmail.com>
Date: Mon, 12 Jun 2023 11:21:47 -0700
Subject: [PATCH] [libc++] Mark slow tests as unsupported on GCC

Some tests in our test suite are unbelievably slow on GCC due to the
use of the always_inline attribute. See [1] for more details.

This patch introduces the GCC-ALWAYS_INLINE-FIXME lit feature to
disable tests that are plagued by that issue. At the same time, it
moves several existing tests from ad-hoc `UNSUPPORTED: gcc-12` markup
to the new GCC-ALWAYS_INLINE-FIXME feature, and marks the slowest tests
reported by the CI as `UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME`.

[1]: https://discourse.llvm.org/t/rfc-stop-supporting-extern-instantiations-with-gcc/71277/1

Differential Revision: https://reviews.llvm.org/D152736
---
 .../format.string.std/code_point_width_estimation.pass.cpp           | 3 +--
 .../format.string.std/extended_grapheme_cluster.pass.cpp             | 3 +--
 .../alg.modifying.operations/alg.copy/ranges.copy_backward.pass.cpp  | 1 +
 .../alg.modifying.operations/alg.move/ranges.move.pass.cpp           | 1 +
 .../alg.modifying.operations/alg.move/ranges.move_backward.pass.cpp  | 5 +++--
 .../test/std/algorithms/alg.sorting/alg.merge/ranges_merge.pass.cpp  | 5 +++--
 .../ranges_set_symmetric_difference.pass.cpp                         | 1 +
 .../alg.set.operations/set.union/ranges_set_union.pass.cpp           | 1 +
 .../container.adaptors.format/format.functions.format.pass.cpp       | 3 +--
 .../container.adaptors.format/format.functions.vformat.pass.cpp      | 3 +--
 .../container.adaptors/container.adaptors.format/format.pass.cpp     | 3 +--
 .../container.adaptors/container.adaptors.format/parse.pass.cpp      | 3 +--
 .../container.adaptors/priority.queue/priqueue.cons/deduct.pass.cpp  | 4 +++-
 .../container.adaptors/queue/queue.defn/push_range.pass.cpp          | 1 +
 .../container.adaptors/queue/queue.ops/compare.three_way.pass.cpp    | 2 ++
 .../containers/container.adaptors/stack/compare.three_way.pass.cpp   | 2 ++
 .../container.adaptors/stack/stack.defn/push_range.pass.cpp          | 1 +
 .../std/containers/sequences/deque/deque.cons/from_range.pass.cpp    | 1 +
 .../test/std/containers/sequences/deque/deque.erasure/erase.pass.cpp | 2 ++
 .../std/containers/sequences/deque/deque.erasure/erase_if.pass.cpp   | 2 ++
 .../containers/sequences/deque/deque.modifiers/append_range.pass.cpp | 1 +
 .../sequences/deque/deque.modifiers/insert_iter_iter.pass.cpp        | 3 ++-
 .../containers/sequences/deque/deque.modifiers/insert_range.pass.cpp | 1 +
 .../sequences/deque/deque.modifiers/prepend_range.pass.cpp           | 1 +
 .../vector.bool/vector.bool.fmt/format.functions.format.pass.cpp     | 3 +--
 .../vector.bool/vector.bool.fmt/format.functions.vformat.pass.cpp    | 3 +--
 .../containers/sequences/vector.bool/vector.bool.fmt/format.pass.cpp | 3 +--
 .../containers/sequences/vector.bool/vector.bool.fmt/parse.pass.cpp  | 3 +--
 .../rand.dist/rand.dist.samp/rand.dist.samp.discrete/eval.pass.cpp   | 3 ++-
 .../string.modifiers/string_replace/size_size_T_size_size.pass.cpp   | 2 ++
 .../string_replace/size_size_string_size_size.pass.cpp               | 2 ++
 .../string.ops/string_compare/size_size_string_size_size.pass.cpp    | 2 ++
 .../thread.thread.id/format.functions.format.pass.cpp                | 3 +--
 .../thread.thread.id/format.functions.vformat.pass.cpp               | 3 +--
 .../thread.thread.class/thread.thread.id/format.pass.cpp             | 3 +--
 .../thread.thread.class/thread.thread.id/parse.pass.cpp              | 3 +--
 .../thread.thread.class/thread.thread.id/stream.pass.cpp             | 1 +
 .../time.cal/time.cal.day/time.cal.day.nonmembers/ostream.pass.cpp   | 4 +---
 .../time.cal/time.cal.md/time.cal.md.nonmembers/ostream.pass.cpp     | 4 +---
 libcxx/test/std/time/time.cal/time.cal.mdlast/ostream.pass.cpp       | 4 +---
 .../time.cal.month/time.cal.month.nonmembers/ostream.pass.cpp        | 4 +---
 .../time.cal/time.cal.mwd/time.cal.mwd.nonmembers/ostream.pass.cpp   | 4 +---
 .../time.cal.mwdlast/time.cal.mwdlast.nonmembers/ostream.pass.cpp    | 4 +---
 .../time.cal.wdidx/time.cal.wdidx.nonmembers/ostream.pass.cpp        | 4 +---
 .../time.cal.wdlast/time.cal.wdlast.nonmembers/ostream.pass.cpp      | 4 +---
 .../time.cal.weekday/time.cal.weekday.nonmembers/ostream.pass.cpp    | 4 +---
 .../time.cal/time.cal.year/time.cal.year.nonmembers/ostream.pass.cpp | 4 +---
 .../time.cal/time.cal.ym/time.cal.ym.nonmembers/ostream.pass.cpp     | 4 +---
 .../time.cal/time.cal.ymd/time.cal.ymd.nonmembers/ostream.pass.cpp   | 4 +---
 .../time.cal.ymdlast/time.cal.ymdlast.nonmembers/ostream.pass.cpp    | 4 +---
 .../time.cal/time.cal.ymwd/time.cal.ymwd.nonmembers/ostream.pass.cpp | 4 +---
 .../time.cal.ymwdlast/time.cal.ymwdlast.nonmembers/ostream.pass.cpp  | 4 +---
 libcxx/test/std/time/time.clock/time.clock.file/ostream.pass.cpp     | 4 +---
 libcxx/test/std/time/time.clock/time.clock.local/ostream.pass.cpp    | 4 +---
 libcxx/test/std/time/time.clock/time.clock.system/ostream.pass.cpp   | 4 +---
 .../std/time/time.duration/time.duration.nonmember/ostream.pass.cpp  | 4 +---
 libcxx/test/std/time/time.hms/time.hms.nonmembers/ostream.pass.cpp   | 4 +---
 libcxx/test/std/time/time.syn/formatter.day.pass.cpp                 | 4 +---
 libcxx/test/std/time/time.syn/formatter.duration.pass.cpp            | 3 +--
 libcxx/test/std/time/time.syn/formatter.file_time.pass.cpp           | 3 +--
 libcxx/test/std/time/time.syn/formatter.hh_mm_ss.pass.cpp            | 4 +---
 libcxx/test/std/time/time.syn/formatter.local_time.pass.cpp          | 3 +--
 libcxx/test/std/time/time.syn/formatter.month.pass.cpp               | 4 +---
 libcxx/test/std/time/time.syn/formatter.month_day.pass.cpp           | 4 +---
 libcxx/test/std/time/time.syn/formatter.month_day_last.pass.cpp      | 4 +---
 libcxx/test/std/time/time.syn/formatter.month_weekday.pass.cpp       | 4 +---
 libcxx/test/std/time/time.syn/formatter.sys_time.pass.cpp            | 3 +--
 libcxx/test/std/time/time.syn/formatter.weekday.pass.cpp             | 4 +---
 libcxx/test/std/time/time.syn/formatter.weekday_index.pass.cpp       | 4 +---
 libcxx/test/std/time/time.syn/formatter.weekday_last.pass.cpp        | 4 +---
 libcxx/test/std/time/time.syn/formatter.year.pass.cpp                | 4 +---
 libcxx/test/std/time/time.syn/formatter.year_month.pass.cpp          | 4 +---
 libcxx/test/std/time/time.syn/formatter.year_month_day.pass.cpp      | 4 +---
 libcxx/test/std/time/time.syn/formatter.year_month_day_last.pass.cpp | 4 +---
 libcxx/test/std/time/time.syn/formatter.year_month_weekday.pass.cpp  | 4 +---
 .../std/time/time.syn/formatter.year_month_weekday_last.pass.cpp     | 4 +---
 .../test/std/utilities/charconv/charconv.to.chars/integral.pass.cpp  | 3 +--
 .../format/format.arguments/format.arg/visit_format_arg.pass.cpp     | 1 +
 .../std/utilities/format/format.arguments/format.args/get.pass.cpp   | 1 +
 .../format.formatter/format.context/format.context/arg.pass.cpp      | 1 +
 .../format.formatter/format.context/format.context/ctor.pass.cpp     | 1 +
 .../format.formatter/format.context/format.context/locale.pass.cpp   | 1 +
 .../format.formatter.spec/formatter.pointer.pass.cpp                 | 1 +
 .../format.formatter.spec/formatter.signed_integral.pass.cpp         | 1 +
 .../format.formatter.spec/formatter.unsigned_integral.pass.cpp       | 1 +
 libcxx/test/std/utilities/format/format.functions/P2418.pass.cpp     | 3 +--
 libcxx/test/std/utilities/format/format.functions/ascii.pass.cpp     | 1 +
 .../utilities/format/format.functions/escaped_output.ascii.pass.cpp  | 1 +
 .../format/format.functions/escaped_output.unicode.pass.cpp          | 4 +---
 .../test/std/utilities/format/format.functions/fill.unicode.pass.cpp | 2 +-
 .../std/utilities/format/format.functions/format.locale.pass.cpp     | 3 +--
 libcxx/test/std/utilities/format/format.functions/format.pass.cpp    | 3 +--
 .../std/utilities/format/format.functions/format_to.locale.pass.cpp  | 3 +--
 libcxx/test/std/utilities/format/format.functions/format_to.pass.cpp | 3 +--
 .../utilities/format/format.functions/format_to_n.locale.pass.cpp    | 3 +--
 .../test/std/utilities/format/format.functions/format_to_n.pass.cpp  | 3 +--
 .../utilities/format/format.functions/formatted_size.locale.pass.cpp | 3 +--
 .../std/utilities/format/format.functions/formatted_size.pass.cpp    | 3 +--
 .../utilities/format/format.functions/locale-specific_form.pass.cpp  | 4 +---
 libcxx/test/std/utilities/format/format.functions/unicode.pass.cpp   | 1 +
 .../std/utilities/format/format.functions/vformat.locale.pass.cpp    | 3 +--
 libcxx/test/std/utilities/format/format.functions/vformat.pass.cpp   | 3 +--
 .../std/utilities/format/format.functions/vformat_to.locale.pass.cpp | 3 +--
 .../test/std/utilities/format/format.functions/vformat_to.pass.cpp   | 3 +--
 .../format/format.range/format.range.fmtdef/format.pass.cpp          | 3 +--
 .../utilities/format/format.range/format.range.fmtdef/parse.pass.cpp | 3 +--
 .../format/format.range/format.range.fmtdef/set_brackets.pass.cpp    | 3 +--
 .../format/format.range/format.range.fmtdef/set_separator.pass.cpp   | 3 +--
 .../format.range.fmtmap/format.functions.format.pass.cpp             | 3 +--
 .../format.range.fmtmap/format.functions.vformat.pass.cpp            | 3 +--
 .../format/format.range/format.range.fmtmap/format.pass.cpp          | 3 +--
 .../utilities/format/format.range/format.range.fmtmap/parse.pass.cpp | 3 +--
 .../format.range.fmtset/format.functions.format.pass.cpp             | 3 +--
 .../format.range.fmtset/format.functions.vformat.pass.cpp            | 3 +--
 .../format/format.range/format.range.fmtset/format.pass.cpp          | 3 +--
 .../utilities/format/format.range/format.range.fmtset/parse.pass.cpp | 3 +--
 .../format.range.fmtstr/format.functions.format.pass.cpp             | 3 +--
 .../format.range.fmtstr/format.functions.vformat.pass.cpp            | 3 +--
 .../format.range.formatter/format.functions.format.pass.cpp          | 3 +--
 .../format.range.formatter/format.functions.vformat.pass.cpp         | 3 +--
 .../format/format.range/format.range.formatter/format.pass.cpp       | 3 +--
 .../format/format.range/format.range.formatter/parse.pass.cpp        | 3 +--
 .../format/format.range/format.range.formatter/set_brackets.pass.cpp | 3 +--
 .../format.range/format.range.formatter/set_separator.pass.cpp       | 3 +--
 .../format/format.range/format.range.formatter/underlying.pass.cpp   | 3 +--
 .../lwg3720_arg_id_width_precision_allowed_types.pass.cpp            | 1 +
 .../utilities/format/format.tuple/format.functions.format.pass.cpp   | 3 +--
 .../utilities/format/format.tuple/format.functions.vformat.pass.cpp  | 3 +--
 libcxx/test/std/utilities/format/format.tuple/format.pass.cpp        | 3 +--
 libcxx/test/std/utilities/format/format.tuple/parse.pass.cpp         | 3 +--
 libcxx/test/std/utilities/format/format.tuple/set_brackets.pass.cpp  | 3 +--
 libcxx/test/std/utilities/format/format.tuple/set_separator.pass.cpp | 3 +--
 libcxx/utils/libcxx/test/features.py                                 | 1 +
 133 files changed, 148 insertions(+), 237 deletions(-)

diff --git a/libcxx/test/libcxx/utilities/format/format.string/format.string.std/code_point_width_estimation.pass.cpp b/libcxx/test/libcxx/utilities/format/format.string/format.string.std/code_point_width_estimation.pass.cpp
index 5167040..ead90e6 100644
--- a/libcxx/test/libcxx/utilities/format/format.string/format.string.std/code_point_width_estimation.pass.cpp
+++ b/libcxx/test/libcxx/utilities/format/format.string/format.string.std/code_point_width_estimation.pass.cpp
@@ -6,8 +6,7 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <format>
 
diff --git a/libcxx/test/libcxx/utilities/format/format.string/format.string.std/extended_grapheme_cluster.pass.cpp b/libcxx/test/libcxx/utilities/format/format.string/format.string.std/extended_grapheme_cluster.pass.cpp
index 5731474..5f9873b 100644
--- a/libcxx/test/libcxx/utilities/format/format.string/format.string.std/extended_grapheme_cluster.pass.cpp
+++ b/libcxx/test/libcxx/utilities/format/format.string/format.string.std/extended_grapheme_cluster.pass.cpp
@@ -6,8 +6,7 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <format>
 
diff --git a/libcxx/test/std/algorithms/alg.modifying.operations/alg.copy/ranges.copy_backward.pass.cpp b/libcxx/test/std/algorithms/alg.modifying.operations/alg.copy/ranges.copy_backward.pass.cpp
index 9cad71d..184008c 100644
--- a/libcxx/test/std/algorithms/alg.modifying.operations/alg.copy/ranges.copy_backward.pass.cpp
+++ b/libcxx/test/std/algorithms/alg.modifying.operations/alg.copy/ranges.copy_backward.pass.cpp
@@ -11,6 +11,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // TODO: make `join_view` non-experimental once D2770 is implemented.
 // UNSUPPORTED: !c++experimental
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // template<bidirectional_iterator I1, sentinel_for<I1> S1, bidirectional_iterator I2>
 //   requires indirectly_copyable<I1, I2>
diff --git a/libcxx/test/std/algorithms/alg.modifying.operations/alg.move/ranges.move.pass.cpp b/libcxx/test/std/algorithms/alg.modifying.operations/alg.move/ranges.move.pass.cpp
index 18ac692..d98c319 100644
--- a/libcxx/test/std/algorithms/alg.modifying.operations/alg.move/ranges.move.pass.cpp
+++ b/libcxx/test/std/algorithms/alg.modifying.operations/alg.move/ranges.move.pass.cpp
@@ -9,6 +9,7 @@
 // <algorithm>
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // template<input_iterator I, sentinel_for<I> S, weakly_incrementable O>
 //   requires indirectly_movable<I, O>
diff --git a/libcxx/test/std/algorithms/alg.modifying.operations/alg.move/ranges.move_backward.pass.cpp b/libcxx/test/std/algorithms/alg.modifying.operations/alg.move/ranges.move_backward.pass.cpp
index 1a281c6..f6ca42b 100644
--- a/libcxx/test/std/algorithms/alg.modifying.operations/alg.move/ranges.move_backward.pass.cpp
+++ b/libcxx/test/std/algorithms/alg.modifying.operations/alg.move/ranges.move_backward.pass.cpp
@@ -6,9 +6,10 @@
 //
 //===----------------------------------------------------------------------===//
 
-// <algorithm>
-
 // UNSUPPORTED: c++03, c++11, c++14, c++17
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
+
+// <algorithm>
 
 // template<bidirectional_iterator I1, sentinel_for<I1> S1, bidirectional_iterator I2>
 //   requires indirectly_movable<I1, I2>
diff --git a/libcxx/test/std/algorithms/alg.sorting/alg.merge/ranges_merge.pass.cpp b/libcxx/test/std/algorithms/alg.sorting/alg.merge/ranges_merge.pass.cpp
index 711da55..63c0277 100644
--- a/libcxx/test/std/algorithms/alg.sorting/alg.merge/ranges_merge.pass.cpp
+++ b/libcxx/test/std/algorithms/alg.sorting/alg.merge/ranges_merge.pass.cpp
@@ -6,9 +6,10 @@
 //
 //===----------------------------------------------------------------------===//
 
-// <algorithm>
-
 // UNSUPPORTED: c++03, c++11, c++14, c++17
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
+
+// <algorithm>
 
 // template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2,
 //          weakly_incrementable O, class Comp = ranges::less, class Proj1 = identity,
diff --git a/libcxx/test/std/algorithms/alg.sorting/alg.set.operations/set.symmetric.difference/ranges_set_symmetric_difference.pass.cpp b/libcxx/test/std/algorithms/alg.sorting/alg.set.operations/set.symmetric.difference/ranges_set_symmetric_difference.pass.cpp
index dd453a6..c030417 100644
--- a/libcxx/test/std/algorithms/alg.sorting/alg.set.operations/set.symmetric.difference/ranges_set_symmetric_difference.pass.cpp
+++ b/libcxx/test/std/algorithms/alg.sorting/alg.set.operations/set.symmetric.difference/ranges_set_symmetric_difference.pass.cpp
@@ -9,6 +9,7 @@
 // <algorithm>
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2,
 //          weakly_incrementable O, class Comp = ranges::less,
diff --git a/libcxx/test/std/algorithms/alg.sorting/alg.set.operations/set.union/ranges_set_union.pass.cpp b/libcxx/test/std/algorithms/alg.sorting/alg.set.operations/set.union/ranges_set_union.pass.cpp
index 34eddfd..0ab97e0 100644
--- a/libcxx/test/std/algorithms/alg.sorting/alg.set.operations/set.union/ranges_set_union.pass.cpp
+++ b/libcxx/test/std/algorithms/alg.sorting/alg.set.operations/set.union/ranges_set_union.pass.cpp
@@ -7,6 +7,7 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <algorithm>
 
diff --git a/libcxx/test/std/containers/container.adaptors/container.adaptors.format/format.functions.format.pass.cpp b/libcxx/test/std/containers/container.adaptors/container.adaptors.format/format.functions.format.pass.cpp
index 6634c6a..df315fe 100644
--- a/libcxx/test/std/containers/container.adaptors/container.adaptors.format/format.functions.format.pass.cpp
+++ b/libcxx/test/std/containers/container.adaptors/container.adaptors.format/format.functions.format.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/containers/container.adaptors/container.adaptors.format/format.functions.vformat.pass.cpp b/libcxx/test/std/containers/container.adaptors/container.adaptors.format/format.functions.vformat.pass.cpp
index 17f01bf..f683da6 100644
--- a/libcxx/test/std/containers/container.adaptors/container.adaptors.format/format.functions.vformat.pass.cpp
+++ b/libcxx/test/std/containers/container.adaptors/container.adaptors.format/format.functions.vformat.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/containers/container.adaptors/container.adaptors.format/format.pass.cpp b/libcxx/test/std/containers/container.adaptors/container.adaptors.format/format.pass.cpp
index 6af2814..03a116c 100644
--- a/libcxx/test/std/containers/container.adaptors/container.adaptors.format/format.pass.cpp
+++ b/libcxx/test/std/containers/container.adaptors/container.adaptors.format/format.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // [container.adaptors.format]
 // For each of queue, priority_queue, and stack, the library provides the
diff --git a/libcxx/test/std/containers/container.adaptors/container.adaptors.format/parse.pass.cpp b/libcxx/test/std/containers/container.adaptors/container.adaptors.format/parse.pass.cpp
index 2e87865..136910b 100644
--- a/libcxx/test/std/containers/container.adaptors/container.adaptors.format/parse.pass.cpp
+++ b/libcxx/test/std/containers/container.adaptors/container.adaptors.format/parse.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // [container.adaptors.format]
 // For each of queue, priority_queue, and stack, the library provides the
diff --git a/libcxx/test/std/containers/container.adaptors/priority.queue/priqueue.cons/deduct.pass.cpp b/libcxx/test/std/containers/container.adaptors/priority.queue/priqueue.cons/deduct.pass.cpp
index 7dfaa9f3..51954b2 100644
--- a/libcxx/test/std/containers/container.adaptors/priority.queue/priqueue.cons/deduct.pass.cpp
+++ b/libcxx/test/std/containers/container.adaptors/priority.queue/priqueue.cons/deduct.pass.cpp
@@ -6,8 +6,10 @@
 //
 //===----------------------------------------------------------------------===//
 
-// <queue>
 // UNSUPPORTED: c++03, c++11, c++14
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
+
+// <queue>
 
 // template<class Compare, class Container>
 // priority_queue(Compare, Container)
diff --git a/libcxx/test/std/containers/container.adaptors/queue/queue.defn/push_range.pass.cpp b/libcxx/test/std/containers/container.adaptors/queue/queue.defn/push_range.pass.cpp
index c3a0b67..4ddfe59 100644
--- a/libcxx/test/std/containers/container.adaptors/queue/queue.defn/push_range.pass.cpp
+++ b/libcxx/test/std/containers/container.adaptors/queue/queue.defn/push_range.pass.cpp
@@ -7,6 +7,7 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // template<container-compatible-range<T> R>
 //   void push_range(R&& rg); // C++23
diff --git a/libcxx/test/std/containers/container.adaptors/queue/queue.ops/compare.three_way.pass.cpp b/libcxx/test/std/containers/container.adaptors/queue/queue.ops/compare.three_way.pass.cpp
index a9b0513..62ba6b0 100644
--- a/libcxx/test/std/containers/container.adaptors/queue/queue.ops/compare.three_way.pass.cpp
+++ b/libcxx/test/std/containers/container.adaptors/queue/queue.ops/compare.three_way.pass.cpp
@@ -5,7 +5,9 @@
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
+
 // UNSUPPORTED: c++03, c++11, c++14, c++17
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <queue>
 
diff --git a/libcxx/test/std/containers/container.adaptors/stack/compare.three_way.pass.cpp b/libcxx/test/std/containers/container.adaptors/stack/compare.three_way.pass.cpp
index 1889b7c..c2da41a 100644
--- a/libcxx/test/std/containers/container.adaptors/stack/compare.three_way.pass.cpp
+++ b/libcxx/test/std/containers/container.adaptors/stack/compare.three_way.pass.cpp
@@ -5,7 +5,9 @@
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
+
 // UNSUPPORTED: c++03, c++11, c++14, c++17
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <stack>
 
diff --git a/libcxx/test/std/containers/container.adaptors/stack/stack.defn/push_range.pass.cpp b/libcxx/test/std/containers/container.adaptors/stack/stack.defn/push_range.pass.cpp
index be0d498..0466fc7 100644
--- a/libcxx/test/std/containers/container.adaptors/stack/stack.defn/push_range.pass.cpp
+++ b/libcxx/test/std/containers/container.adaptors/stack/stack.defn/push_range.pass.cpp
@@ -7,6 +7,7 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // template<container-compatible-range<T> R>
 //   void push_range(R&& rg); // C++23
diff --git a/libcxx/test/std/containers/sequences/deque/deque.cons/from_range.pass.cpp b/libcxx/test/std/containers/sequences/deque/deque.cons/from_range.pass.cpp
index 4d8075c..0ea7c17 100644
--- a/libcxx/test/std/containers/sequences/deque/deque.cons/from_range.pass.cpp
+++ b/libcxx/test/std/containers/sequences/deque/deque.cons/from_range.pass.cpp
@@ -7,6 +7,7 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 #include <deque>
 
diff --git a/libcxx/test/std/containers/sequences/deque/deque.erasure/erase.pass.cpp b/libcxx/test/std/containers/sequences/deque/deque.erasure/erase.pass.cpp
index 656884a..f55c691 100644
--- a/libcxx/test/std/containers/sequences/deque/deque.erasure/erase.pass.cpp
+++ b/libcxx/test/std/containers/sequences/deque/deque.erasure/erase.pass.cpp
@@ -5,7 +5,9 @@
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
+
 // UNSUPPORTED: c++03, c++11, c++14, c++17
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <deque>
 
diff --git a/libcxx/test/std/containers/sequences/deque/deque.erasure/erase_if.pass.cpp b/libcxx/test/std/containers/sequences/deque/deque.erasure/erase_if.pass.cpp
index 57657e4..3cd1dd7 100644
--- a/libcxx/test/std/containers/sequences/deque/deque.erasure/erase_if.pass.cpp
+++ b/libcxx/test/std/containers/sequences/deque/deque.erasure/erase_if.pass.cpp
@@ -5,7 +5,9 @@
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
+
 // UNSUPPORTED: c++03, c++11, c++14, c++17
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <deque>
 
diff --git a/libcxx/test/std/containers/sequences/deque/deque.modifiers/append_range.pass.cpp b/libcxx/test/std/containers/sequences/deque/deque.modifiers/append_range.pass.cpp
index 08daef7..e6fe8c8 100644
--- a/libcxx/test/std/containers/sequences/deque/deque.modifiers/append_range.pass.cpp
+++ b/libcxx/test/std/containers/sequences/deque/deque.modifiers/append_range.pass.cpp
@@ -7,6 +7,7 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // template<container-compatible-range<T> R>
 //   constexpr void append_range(R&& rg); // C++23
diff --git a/libcxx/test/std/containers/sequences/deque/deque.modifiers/insert_iter_iter.pass.cpp b/libcxx/test/std/containers/sequences/deque/deque.modifiers/insert_iter_iter.pass.cpp
index aff4703..ebf5046 100644
--- a/libcxx/test/std/containers/sequences/deque/deque.modifiers/insert_iter_iter.pass.cpp
+++ b/libcxx/test/std/containers/sequences/deque/deque.modifiers/insert_iter_iter.pass.cpp
@@ -5,8 +5,9 @@
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
-//
+
 // REQUIRES: long_tests
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <deque>
 
diff --git a/libcxx/test/std/containers/sequences/deque/deque.modifiers/insert_range.pass.cpp b/libcxx/test/std/containers/sequences/deque/deque.modifiers/insert_range.pass.cpp
index ca98a6e..7d0b3b9 100644
--- a/libcxx/test/std/containers/sequences/deque/deque.modifiers/insert_range.pass.cpp
+++ b/libcxx/test/std/containers/sequences/deque/deque.modifiers/insert_range.pass.cpp
@@ -7,6 +7,7 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // template<container-compatible-range<T> R>
 //   constexpr iterator insert_range(const_iterator position, R&& rg); // C++23
diff --git a/libcxx/test/std/containers/sequences/deque/deque.modifiers/prepend_range.pass.cpp b/libcxx/test/std/containers/sequences/deque/deque.modifiers/prepend_range.pass.cpp
index fa38f04..08c9c02 100644
--- a/libcxx/test/std/containers/sequences/deque/deque.modifiers/prepend_range.pass.cpp
+++ b/libcxx/test/std/containers/sequences/deque/deque.modifiers/prepend_range.pass.cpp
@@ -7,6 +7,7 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // template<container-compatible-range<T> R>
 //   constexpr void prepend_range(R&& rg); // C++23
diff --git a/libcxx/test/std/containers/sequences/vector.bool/vector.bool.fmt/format.functions.format.pass.cpp b/libcxx/test/std/containers/sequences/vector.bool/vector.bool.fmt/format.functions.format.pass.cpp
index 66a04a7..6f1aea1 100644
--- a/libcxx/test/std/containers/sequences/vector.bool/vector.bool.fmt/format.functions.format.pass.cpp
+++ b/libcxx/test/std/containers/sequences/vector.bool/vector.bool.fmt/format.functions.format.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
diff --git a/libcxx/test/std/containers/sequences/vector.bool/vector.bool.fmt/format.functions.vformat.pass.cpp b/libcxx/test/std/containers/sequences/vector.bool/vector.bool.fmt/format.functions.vformat.pass.cpp
index 7bbbc20..be46078 100644
--- a/libcxx/test/std/containers/sequences/vector.bool/vector.bool.fmt/format.functions.vformat.pass.cpp
+++ b/libcxx/test/std/containers/sequences/vector.bool/vector.bool.fmt/format.functions.vformat.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/containers/sequences/vector.bool/vector.bool.fmt/format.pass.cpp b/libcxx/test/std/containers/sequences/vector.bool/vector.bool.fmt/format.pass.cpp
index f9a2c3c..51cd458 100644
--- a/libcxx/test/std/containers/sequences/vector.bool/vector.bool.fmt/format.pass.cpp
+++ b/libcxx/test/std/containers/sequences/vector.bool/vector.bool.fmt/format.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <vector>
 
diff --git a/libcxx/test/std/containers/sequences/vector.bool/vector.bool.fmt/parse.pass.cpp b/libcxx/test/std/containers/sequences/vector.bool/vector.bool.fmt/parse.pass.cpp
index 6785d4c..c761039 100644
--- a/libcxx/test/std/containers/sequences/vector.bool/vector.bool.fmt/parse.pass.cpp
+++ b/libcxx/test/std/containers/sequences/vector.bool/vector.bool.fmt/parse.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <vector>
 
diff --git a/libcxx/test/std/numerics/rand/rand.dist/rand.dist.samp/rand.dist.samp.discrete/eval.pass.cpp b/libcxx/test/std/numerics/rand/rand.dist/rand.dist.samp/rand.dist.samp.discrete/eval.pass.cpp
index 762acd4..da089b0 100644
--- a/libcxx/test/std/numerics/rand/rand.dist/rand.dist.samp/rand.dist.samp.discrete/eval.pass.cpp
+++ b/libcxx/test/std/numerics/rand/rand.dist/rand.dist.samp/rand.dist.samp.discrete/eval.pass.cpp
@@ -5,8 +5,9 @@
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
-//
+
 // REQUIRES: long_tests
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <random>
 
diff --git a/libcxx/test/std/strings/basic.string/string.modifiers/string_replace/size_size_T_size_size.pass.cpp b/libcxx/test/std/strings/basic.string/string.modifiers/string_replace/size_size_T_size_size.pass.cpp
index b3c58b9..74e25c6 100644
--- a/libcxx/test/std/strings/basic.string/string.modifiers/string_replace/size_size_T_size_size.pass.cpp
+++ b/libcxx/test/std/strings/basic.string/string.modifiers/string_replace/size_size_T_size_size.pass.cpp
@@ -6,6 +6,8 @@
 //
 //===----------------------------------------------------------------------===//
 
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
+
 // <string>
 
 // template <class T>
diff --git a/libcxx/test/std/strings/basic.string/string.modifiers/string_replace/size_size_string_size_size.pass.cpp b/libcxx/test/std/strings/basic.string/string.modifiers/string_replace/size_size_string_size_size.pass.cpp
index 2c9a488..b700eb7 100644
--- a/libcxx/test/std/strings/basic.string/string.modifiers/string_replace/size_size_string_size_size.pass.cpp
+++ b/libcxx/test/std/strings/basic.string/string.modifiers/string_replace/size_size_string_size_size.pass.cpp
@@ -6,6 +6,8 @@
 //
 //===----------------------------------------------------------------------===//
 
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
+
 // <string>
 
 // basic_string<charT,traits,Allocator>&
diff --git a/libcxx/test/std/strings/basic.string/string.ops/string_compare/size_size_string_size_size.pass.cpp b/libcxx/test/std/strings/basic.string/string.ops/string_compare/size_size_string_size_size.pass.cpp
index 68dbecb..33d780e 100644
--- a/libcxx/test/std/strings/basic.string/string.ops/string_compare/size_size_string_size_size.pass.cpp
+++ b/libcxx/test/std/strings/basic.string/string.ops/string_compare/size_size_string_size_size.pass.cpp
@@ -6,6 +6,8 @@
 //
 //===----------------------------------------------------------------------===//
 
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
+
 // <string>
 
 // int compare(size_type pos1, size_type n1, const basic_string& str,
diff --git a/libcxx/test/std/thread/thread.threads/thread.thread.class/thread.thread.id/format.functions.format.pass.cpp b/libcxx/test/std/thread/thread.threads/thread.thread.class/thread.thread.id/format.functions.format.pass.cpp
index 563fcc8..3287b95 100644
--- a/libcxx/test/std/thread/thread.threads/thread.thread.class/thread.thread.id/format.functions.format.pass.cpp
+++ b/libcxx/test/std/thread/thread.threads/thread.thread.class/thread.thread.id/format.functions.format.pass.cpp
@@ -8,8 +8,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 // UNSUPPORTED: no-threads
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
diff --git a/libcxx/test/std/thread/thread.threads/thread.thread.class/thread.thread.id/format.functions.vformat.pass.cpp b/libcxx/test/std/thread/thread.threads/thread.thread.class/thread.thread.id/format.functions.vformat.pass.cpp
index 656bce3..10b7317 100644
--- a/libcxx/test/std/thread/thread.threads/thread.thread.class/thread.thread.id/format.functions.vformat.pass.cpp
+++ b/libcxx/test/std/thread/thread.threads/thread.thread.class/thread.thread.id/format.functions.vformat.pass.cpp
@@ -8,8 +8,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 // UNSUPPORTED: no-threads
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
diff --git a/libcxx/test/std/thread/thread.threads/thread.thread.class/thread.thread.id/format.pass.cpp b/libcxx/test/std/thread/thread.threads/thread.thread.class/thread.thread.id/format.pass.cpp
index 4aaf17e..43d4063 100644
--- a/libcxx/test/std/thread/thread.threads/thread.thread.class/thread.thread.id/format.pass.cpp
+++ b/libcxx/test/std/thread/thread.threads/thread.thread.class/thread.thread.id/format.pass.cpp
@@ -8,8 +8,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 // UNSUPPORTED: no-threads
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <thread>
 
diff --git a/libcxx/test/std/thread/thread.threads/thread.thread.class/thread.thread.id/parse.pass.cpp b/libcxx/test/std/thread/thread.threads/thread.thread.class/thread.thread.id/parse.pass.cpp
index 63c6b4b..8523bc8 100644
--- a/libcxx/test/std/thread/thread.threads/thread.thread.class/thread.thread.id/parse.pass.cpp
+++ b/libcxx/test/std/thread/thread.threads/thread.thread.class/thread.thread.id/parse.pass.cpp
@@ -8,8 +8,7 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 // UNSUPPORTED: no-threads
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <thread>
 
diff --git a/libcxx/test/std/thread/thread.threads/thread.thread.class/thread.thread.id/stream.pass.cpp b/libcxx/test/std/thread/thread.threads/thread.thread.class/thread.thread.id/stream.pass.cpp
index 127c42f..b89a1bb 100644
--- a/libcxx/test/std/thread/thread.threads/thread.thread.class/thread.thread.id/stream.pass.cpp
+++ b/libcxx/test/std/thread/thread.threads/thread.thread.class/thread.thread.id/stream.pass.cpp
@@ -8,6 +8,7 @@
 
 // UNSUPPORTED: no-threads
 // UNSUPPORTED: no-localization
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
diff --git a/libcxx/test/std/time/time.cal/time.cal.day/time.cal.day.nonmembers/ostream.pass.cpp b/libcxx/test/std/time/time.cal/time.cal.day/time.cal.day.nonmembers/ostream.pass.cpp
index 733fda3..f75ff13 100644
--- a/libcxx/test/std/time/time.cal/time.cal.day/time.cal.day.nonmembers/ostream.pass.cpp
+++ b/libcxx/test/std/time/time.cal/time.cal.day/time.cal.day.nonmembers/ostream.pass.cpp
@@ -8,9 +8,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
-
-// TODO FMT Evaluate gcc-12 status
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
diff --git a/libcxx/test/std/time/time.cal/time.cal.md/time.cal.md.nonmembers/ostream.pass.cpp b/libcxx/test/std/time/time.cal/time.cal.md/time.cal.md.nonmembers/ostream.pass.cpp
index 158628d..b70b687 100644
--- a/libcxx/test/std/time/time.cal/time.cal.md/time.cal.md.nonmembers/ostream.pass.cpp
+++ b/libcxx/test/std/time/time.cal/time.cal.md/time.cal.md.nonmembers/ostream.pass.cpp
@@ -8,13 +8,11 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT Investigate Windows issues.
 // UNSUPPORTED: msvc, target={{.+}}-windows-gnu
 
-// TODO FMT It seems GCC uses too much memory in the CI and fails.
-// UNSUPPORTED: gcc-12
-
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/time/time.cal/time.cal.mdlast/ostream.pass.cpp b/libcxx/test/std/time/time.cal/time.cal.mdlast/ostream.pass.cpp
index 843a282..92ecff1 100644
--- a/libcxx/test/std/time/time.cal/time.cal.mdlast/ostream.pass.cpp
+++ b/libcxx/test/std/time/time.cal/time.cal.mdlast/ostream.pass.cpp
@@ -10,13 +10,11 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT Investigate Windows issues.
 // UNSUPPORTED: msvc, target={{.+}}-windows-gnu
 
-// TODO FMT It seems GCC uses too much memory in the CI and fails.
-// UNSUPPORTED: gcc-12
-
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/time/time.cal/time.cal.month/time.cal.month.nonmembers/ostream.pass.cpp b/libcxx/test/std/time/time.cal/time.cal.month/time.cal.month.nonmembers/ostream.pass.cpp
index 11f95ad..f2e2301 100644
--- a/libcxx/test/std/time/time.cal/time.cal.month/time.cal.month.nonmembers/ostream.pass.cpp
+++ b/libcxx/test/std/time/time.cal/time.cal.month/time.cal.month.nonmembers/ostream.pass.cpp
@@ -10,13 +10,11 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT Investigate Windows issues.
 // UNSUPPORTED: msvc, target={{.+}}-windows-gnu
 
-// TODO FMT Fix this test using GCC, it currently crashes.
-// UNSUPPORTED: gcc-12
-
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/time/time.cal/time.cal.mwd/time.cal.mwd.nonmembers/ostream.pass.cpp b/libcxx/test/std/time/time.cal/time.cal.mwd/time.cal.mwd.nonmembers/ostream.pass.cpp
index 5896adc..c86bbbb 100644
--- a/libcxx/test/std/time/time.cal/time.cal.mwd/time.cal.mwd.nonmembers/ostream.pass.cpp
+++ b/libcxx/test/std/time/time.cal/time.cal.mwd/time.cal.mwd.nonmembers/ostream.pass.cpp
@@ -10,13 +10,11 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT Investigate Windows issues.
 // UNSUPPORTED: msvc, target={{.+}}-windows-gnu
 
-// TODO FMT It seems GCC uses too much memory in the CI and fails.
-// UNSUPPORTED: gcc-12
-
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/time/time.cal/time.cal.mwdlast/time.cal.mwdlast.nonmembers/ostream.pass.cpp b/libcxx/test/std/time/time.cal/time.cal.mwdlast/time.cal.mwdlast.nonmembers/ostream.pass.cpp
index 6ff82c4..4f20478 100644
--- a/libcxx/test/std/time/time.cal/time.cal.mwdlast/time.cal.mwdlast.nonmembers/ostream.pass.cpp
+++ b/libcxx/test/std/time/time.cal/time.cal.mwdlast/time.cal.mwdlast.nonmembers/ostream.pass.cpp
@@ -10,13 +10,11 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT Investigate Windows issues.
 // UNSUPPORTED: msvc, target={{.+}}-windows-gnu
 
-// TODO FMT It seems GCC uses too much memory in the CI and fails.
-// UNSUPPORTED: gcc-12
-
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/time/time.cal/time.cal.wdidx/time.cal.wdidx.nonmembers/ostream.pass.cpp b/libcxx/test/std/time/time.cal/time.cal.wdidx/time.cal.wdidx.nonmembers/ostream.pass.cpp
index ef47129..910efe6 100644
--- a/libcxx/test/std/time/time.cal/time.cal.wdidx/time.cal.wdidx.nonmembers/ostream.pass.cpp
+++ b/libcxx/test/std/time/time.cal/time.cal.wdidx/time.cal.wdidx.nonmembers/ostream.pass.cpp
@@ -8,9 +8,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
-
-// TODO FMT It seems GCC uses too much memory in the CI and fails.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
diff --git a/libcxx/test/std/time/time.cal/time.cal.wdlast/time.cal.wdlast.nonmembers/ostream.pass.cpp b/libcxx/test/std/time/time.cal/time.cal.wdlast/time.cal.wdlast.nonmembers/ostream.pass.cpp
index 9198fbc..1ab4987 100644
--- a/libcxx/test/std/time/time.cal/time.cal.wdlast/time.cal.wdlast.nonmembers/ostream.pass.cpp
+++ b/libcxx/test/std/time/time.cal/time.cal.wdlast/time.cal.wdlast.nonmembers/ostream.pass.cpp
@@ -8,9 +8,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
-
-// TODO FMT It seems GCC uses too much memory in the CI and fails.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
diff --git a/libcxx/test/std/time/time.cal/time.cal.weekday/time.cal.weekday.nonmembers/ostream.pass.cpp b/libcxx/test/std/time/time.cal/time.cal.weekday/time.cal.weekday.nonmembers/ostream.pass.cpp
index 5aaa7dc..67085a2 100644
--- a/libcxx/test/std/time/time.cal/time.cal.weekday/time.cal.weekday.nonmembers/ostream.pass.cpp
+++ b/libcxx/test/std/time/time.cal/time.cal.weekday/time.cal.weekday.nonmembers/ostream.pass.cpp
@@ -8,9 +8,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
-
-// TODO FMT Fix this test using GCC, it currently crashes.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
diff --git a/libcxx/test/std/time/time.cal/time.cal.year/time.cal.year.nonmembers/ostream.pass.cpp b/libcxx/test/std/time/time.cal/time.cal.year/time.cal.year.nonmembers/ostream.pass.cpp
index cd565b8..b545909 100644
--- a/libcxx/test/std/time/time.cal/time.cal.year/time.cal.year.nonmembers/ostream.pass.cpp
+++ b/libcxx/test/std/time/time.cal/time.cal.year/time.cal.year.nonmembers/ostream.pass.cpp
@@ -8,9 +8,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
-
-// TODO FMT Fix this test using GCC, it currently crashes.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
diff --git a/libcxx/test/std/time/time.cal/time.cal.ym/time.cal.ym.nonmembers/ostream.pass.cpp b/libcxx/test/std/time/time.cal/time.cal.ym/time.cal.ym.nonmembers/ostream.pass.cpp
index 98e0a8e..b1fffbf 100644
--- a/libcxx/test/std/time/time.cal/time.cal.ym/time.cal.ym.nonmembers/ostream.pass.cpp
+++ b/libcxx/test/std/time/time.cal/time.cal.ym/time.cal.ym.nonmembers/ostream.pass.cpp
@@ -10,13 +10,11 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT Investigate Windows issues.
 // UNSUPPORTED: msvc, target={{.+}}-windows-gnu
 
-// TODO FMT It seems GCC uses too much memory in the CI and fails.
-// UNSUPPORTED: gcc-12
-
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/time/time.cal/time.cal.ymd/time.cal.ymd.nonmembers/ostream.pass.cpp b/libcxx/test/std/time/time.cal/time.cal.ymd/time.cal.ymd.nonmembers/ostream.pass.cpp
index c8ae6d5..c2810da 100644
--- a/libcxx/test/std/time/time.cal/time.cal.ymd/time.cal.ymd.nonmembers/ostream.pass.cpp
+++ b/libcxx/test/std/time/time.cal/time.cal.ymd/time.cal.ymd.nonmembers/ostream.pass.cpp
@@ -8,13 +8,11 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT Investigate Windows issues.
 // UNSUPPORTED: msvc, target={{.+}}-windows-gnu
 
-// TODO FMT It seems GCC uses too much memory in the CI and fails.
-// UNSUPPORTED: gcc-12
-
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/time/time.cal/time.cal.ymdlast/time.cal.ymdlast.nonmembers/ostream.pass.cpp b/libcxx/test/std/time/time.cal/time.cal.ymdlast/time.cal.ymdlast.nonmembers/ostream.pass.cpp
index feb3870..533eee4 100644
--- a/libcxx/test/std/time/time.cal/time.cal.ymdlast/time.cal.ymdlast.nonmembers/ostream.pass.cpp
+++ b/libcxx/test/std/time/time.cal/time.cal.ymdlast/time.cal.ymdlast.nonmembers/ostream.pass.cpp
@@ -10,13 +10,11 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT Investigate Windows issues.
 // UNSUPPORTED: msvc, target={{.+}}-windows-gnu
 
-// TODO FMT It seems GCC uses too much memory in the CI and fails.
-// UNSUPPORTED: gcc-12
-
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/time/time.cal/time.cal.ymwd/time.cal.ymwd.nonmembers/ostream.pass.cpp b/libcxx/test/std/time/time.cal/time.cal.ymwd/time.cal.ymwd.nonmembers/ostream.pass.cpp
index 27c958d..68732be 100644
--- a/libcxx/test/std/time/time.cal/time.cal.ymwd/time.cal.ymwd.nonmembers/ostream.pass.cpp
+++ b/libcxx/test/std/time/time.cal/time.cal.ymwd/time.cal.ymwd.nonmembers/ostream.pass.cpp
@@ -8,13 +8,11 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT Investigate Windows issues.
 // UNSUPPORTED: msvc, target={{.+}}-windows-gnu
 
-// TODO FMT It seems GCC uses too much memory in the CI and fails.
-// UNSUPPORTED: gcc-12
-
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/time/time.cal/time.cal.ymwdlast/time.cal.ymwdlast.nonmembers/ostream.pass.cpp b/libcxx/test/std/time/time.cal/time.cal.ymwdlast/time.cal.ymwdlast.nonmembers/ostream.pass.cpp
index b499fa0..d60caa1 100644
--- a/libcxx/test/std/time/time.cal/time.cal.ymwdlast/time.cal.ymwdlast.nonmembers/ostream.pass.cpp
+++ b/libcxx/test/std/time/time.cal/time.cal.ymwdlast/time.cal.ymwdlast.nonmembers/ostream.pass.cpp
@@ -8,13 +8,11 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT Investigate Windows issues.
 // UNSUPPORTED: msvc, target={{.+}}-windows-gnu
 
-// TODO FMT It seems GCC uses too much memory in the CI and fails.
-// UNSUPPORTED: gcc-12
-
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/time/time.clock/time.clock.file/ostream.pass.cpp b/libcxx/test/std/time/time.clock/time.clock.file/ostream.pass.cpp
index ec0162f..18a4506 100644
--- a/libcxx/test/std/time/time.clock/time.clock.file/ostream.pass.cpp
+++ b/libcxx/test/std/time/time.clock/time.clock.file/ostream.pass.cpp
@@ -8,9 +8,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
-
-// TODO FMT It seems GCC uses too much memory in the CI and fails.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
diff --git a/libcxx/test/std/time/time.clock/time.clock.local/ostream.pass.cpp b/libcxx/test/std/time/time.clock/time.clock.local/ostream.pass.cpp
index 43f5fca..4f4fd3f 100644
--- a/libcxx/test/std/time/time.clock/time.clock.local/ostream.pass.cpp
+++ b/libcxx/test/std/time/time.clock/time.clock.local/ostream.pass.cpp
@@ -8,9 +8,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
-
-// TODO FMT It seems GCC uses too much memory in the CI and fails.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
diff --git a/libcxx/test/std/time/time.clock/time.clock.system/ostream.pass.cpp b/libcxx/test/std/time/time.clock/time.clock.system/ostream.pass.cpp
index 37d3ff3..553b744 100644
--- a/libcxx/test/std/time/time.clock/time.clock.system/ostream.pass.cpp
+++ b/libcxx/test/std/time/time.clock/time.clock.system/ostream.pass.cpp
@@ -8,9 +8,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
-
-// TODO FMT It seems GCC uses too much memory in the CI and fails.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
diff --git a/libcxx/test/std/time/time.duration/time.duration.nonmember/ostream.pass.cpp b/libcxx/test/std/time/time.duration/time.duration.nonmember/ostream.pass.cpp
index f4ecbfd..e5d11ab 100644
--- a/libcxx/test/std/time/time.duration/time.duration.nonmember/ostream.pass.cpp
+++ b/libcxx/test/std/time/time.duration/time.duration.nonmember/ostream.pass.cpp
@@ -8,9 +8,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
-
-// TODO FMT Evaluate gcc-12 status
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
diff --git a/libcxx/test/std/time/time.hms/time.hms.nonmembers/ostream.pass.cpp b/libcxx/test/std/time/time.hms/time.hms.nonmembers/ostream.pass.cpp
index 41c2114..6ee419f 100644
--- a/libcxx/test/std/time/time.hms/time.hms.nonmembers/ostream.pass.cpp
+++ b/libcxx/test/std/time/time.hms/time.hms.nonmembers/ostream.pass.cpp
@@ -8,9 +8,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
-
-// TODO FMT Evaluate gcc-12 status
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/time/time.syn/formatter.day.pass.cpp b/libcxx/test/std/time/time.syn/formatter.day.pass.cpp
index 3f35410..6e5eee2 100644
--- a/libcxx/test/std/time/time.syn/formatter.day.pass.cpp
+++ b/libcxx/test/std/time/time.syn/formatter.day.pass.cpp
@@ -9,13 +9,11 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT Investigate Windows issues.
 // UNSUPPORTED: msvc, target={{.+}}-windows-gnu
 
-// TODO FMT Fix this test using GCC, it currently crashes.
-// UNSUPPORTED: gcc-12
-
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/time/time.syn/formatter.duration.pass.cpp b/libcxx/test/std/time/time.syn/formatter.duration.pass.cpp
index 324084ff..2a48893 100644
--- a/libcxx/test/std/time/time.syn/formatter.duration.pass.cpp
+++ b/libcxx/test/std/time/time.syn/formatter.duration.pass.cpp
@@ -9,11 +9,10 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT Investigate Windows issues.
 // UNSUPPORTED: msvc, target={{.+}}-windows-gnu
-// TODO FMT Evaluate gcc-12 status
-// UNSUPPORTED: gcc-12
 
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/time/time.syn/formatter.file_time.pass.cpp b/libcxx/test/std/time/time.syn/formatter.file_time.pass.cpp
index 77072d3..9c2c8f9 100644
--- a/libcxx/test/std/time/time.syn/formatter.file_time.pass.cpp
+++ b/libcxx/test/std/time/time.syn/formatter.file_time.pass.cpp
@@ -7,6 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // XFAIL: LIBCXX-FREEBSD-FIXME
 
@@ -15,8 +16,6 @@
 
 // TODO FMT Investigate Windows issues.
 // UNSUPPORTED: msvc, target={{.+}}-windows-gnu
-// TODO FMT It seems GCC uses too much memory in the CI and fails.
-// UNSUPPORTED: gcc-12
 
 // REQUIRES: locale.fr_FR.UTF-8
 // REQUIRES: locale.ja_JP.UTF-8
diff --git a/libcxx/test/std/time/time.syn/formatter.hh_mm_ss.pass.cpp b/libcxx/test/std/time/time.syn/formatter.hh_mm_ss.pass.cpp
index dde195c..de41526 100644
--- a/libcxx/test/std/time/time.syn/formatter.hh_mm_ss.pass.cpp
+++ b/libcxx/test/std/time/time.syn/formatter.hh_mm_ss.pass.cpp
@@ -7,9 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
-
-// TODO FMT Evaluate gcc-12 status
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT Investigate Windows issues.
 // UNSUPPORTED: msvc, target={{.+}}-windows-gnu
diff --git a/libcxx/test/std/time/time.syn/formatter.local_time.pass.cpp b/libcxx/test/std/time/time.syn/formatter.local_time.pass.cpp
index c4f5653..a7def6b 100644
--- a/libcxx/test/std/time/time.syn/formatter.local_time.pass.cpp
+++ b/libcxx/test/std/time/time.syn/formatter.local_time.pass.cpp
@@ -7,6 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // XFAIL: LIBCXX-FREEBSD-FIXME
 
@@ -15,8 +16,6 @@
 
 // TODO FMT Investigate Windows issues.
 // UNSUPPORTED: msvc, target={{.+}}-windows-gnu
-// TODO FMT It seems GCC uses too much memory in the CI and fails.
-// UNSUPPORTED: gcc-12
 
 // REQUIRES: locale.fr_FR.UTF-8
 // REQUIRES: locale.ja_JP.UTF-8
diff --git a/libcxx/test/std/time/time.syn/formatter.month.pass.cpp b/libcxx/test/std/time/time.syn/formatter.month.pass.cpp
index f2bd62e..708d535 100644
--- a/libcxx/test/std/time/time.syn/formatter.month.pass.cpp
+++ b/libcxx/test/std/time/time.syn/formatter.month.pass.cpp
@@ -9,9 +9,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
-
-// TODO FMT Fix this test using GCC, it currently crashes.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
diff --git a/libcxx/test/std/time/time.syn/formatter.month_day.pass.cpp b/libcxx/test/std/time/time.syn/formatter.month_day.pass.cpp
index d3d9bfb..4153491 100644
--- a/libcxx/test/std/time/time.syn/formatter.month_day.pass.cpp
+++ b/libcxx/test/std/time/time.syn/formatter.month_day.pass.cpp
@@ -9,13 +9,11 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT Investigate Windows issues.
 // UNSUPPORTED: msvc, target={{.+}}-windows-gnu
 
-// TODO FMT It seems GCC uses too much memory in the CI and fails.
-// UNSUPPORTED: gcc-12
-
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/time/time.syn/formatter.month_day_last.pass.cpp b/libcxx/test/std/time/time.syn/formatter.month_day_last.pass.cpp
index 2306b0d..122de35 100644
--- a/libcxx/test/std/time/time.syn/formatter.month_day_last.pass.cpp
+++ b/libcxx/test/std/time/time.syn/formatter.month_day_last.pass.cpp
@@ -9,9 +9,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
-
-// TODO FMT It seems GCC uses too much memory in the CI and fails.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
diff --git a/libcxx/test/std/time/time.syn/formatter.month_weekday.pass.cpp b/libcxx/test/std/time/time.syn/formatter.month_weekday.pass.cpp
index ddcfd3a..466d514 100644
--- a/libcxx/test/std/time/time.syn/formatter.month_weekday.pass.cpp
+++ b/libcxx/test/std/time/time.syn/formatter.month_weekday.pass.cpp
@@ -9,9 +9,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
-
-// TODO FMT It seems GCC uses too much memory in the CI and fails.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
diff --git a/libcxx/test/std/time/time.syn/formatter.sys_time.pass.cpp b/libcxx/test/std/time/time.syn/formatter.sys_time.pass.cpp
index 0e99885..39a55d8 100644
--- a/libcxx/test/std/time/time.syn/formatter.sys_time.pass.cpp
+++ b/libcxx/test/std/time/time.syn/formatter.sys_time.pass.cpp
@@ -7,6 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // XFAIL: LIBCXX-FREEBSD-FIXME
 
@@ -15,8 +16,6 @@
 
 // TODO FMT Investigate Windows issues.
 // UNSUPPORTED: msvc, target={{.+}}-windows-gnu
-// TODO FMT It seems GCC uses too much memory in the CI and fails.
-// UNSUPPORTED: gcc-12
 
 // REQUIRES: locale.fr_FR.UTF-8
 // REQUIRES: locale.ja_JP.UTF-8
diff --git a/libcxx/test/std/time/time.syn/formatter.weekday.pass.cpp b/libcxx/test/std/time/time.syn/formatter.weekday.pass.cpp
index b540b4d..3b8faa4 100644
--- a/libcxx/test/std/time/time.syn/formatter.weekday.pass.cpp
+++ b/libcxx/test/std/time/time.syn/formatter.weekday.pass.cpp
@@ -9,13 +9,11 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT Investigate Windows issues.
 // UNSUPPORTED: msvc, target={{.+}}-windows-gnu
 
-// TODO FMT Fix this test using GCC, it currently crashes.
-// UNSUPPORTED: gcc-12
-
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/time/time.syn/formatter.weekday_index.pass.cpp b/libcxx/test/std/time/time.syn/formatter.weekday_index.pass.cpp
index 9cb1540..76a4869 100644
--- a/libcxx/test/std/time/time.syn/formatter.weekday_index.pass.cpp
+++ b/libcxx/test/std/time/time.syn/formatter.weekday_index.pass.cpp
@@ -9,13 +9,11 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT Investigate Windows issues.
 // UNSUPPORTED: msvc, target={{.+}}-windows-gnu
 
-// TODO FMT It seems GCC uses too much memory in the CI and fails.
-// UNSUPPORTED: gcc-12
-
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/time/time.syn/formatter.weekday_last.pass.cpp b/libcxx/test/std/time/time.syn/formatter.weekday_last.pass.cpp
index eb09567..68cfb4f 100644
--- a/libcxx/test/std/time/time.syn/formatter.weekday_last.pass.cpp
+++ b/libcxx/test/std/time/time.syn/formatter.weekday_last.pass.cpp
@@ -9,13 +9,11 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT Investigate Windows issues.
 // UNSUPPORTED: msvc, target={{.+}}-windows-gnu
 
-// TODO FMT It seems GCC uses too much memory in the CI and fails.
-// UNSUPPORTED: gcc-12
-
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/time/time.syn/formatter.year.pass.cpp b/libcxx/test/std/time/time.syn/formatter.year.pass.cpp
index 33c4279..2f8bd1d 100644
--- a/libcxx/test/std/time/time.syn/formatter.year.pass.cpp
+++ b/libcxx/test/std/time/time.syn/formatter.year.pass.cpp
@@ -9,9 +9,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
-
-// TODO FMT Fix this test using GCC, it currently crashes.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
diff --git a/libcxx/test/std/time/time.syn/formatter.year_month.pass.cpp b/libcxx/test/std/time/time.syn/formatter.year_month.pass.cpp
index 33e863d..ac0b76a 100644
--- a/libcxx/test/std/time/time.syn/formatter.year_month.pass.cpp
+++ b/libcxx/test/std/time/time.syn/formatter.year_month.pass.cpp
@@ -9,9 +9,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
-
-// TODO FMT It seems GCC uses too much memory in the CI and fails.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
diff --git a/libcxx/test/std/time/time.syn/formatter.year_month_day.pass.cpp b/libcxx/test/std/time/time.syn/formatter.year_month_day.pass.cpp
index 0cf554b..dfedcdf 100644
--- a/libcxx/test/std/time/time.syn/formatter.year_month_day.pass.cpp
+++ b/libcxx/test/std/time/time.syn/formatter.year_month_day.pass.cpp
@@ -9,13 +9,11 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT Investigate Windows issues.
 // UNSUPPORTED: msvc, target={{.+}}-windows-gnu
 
-// TODO FMT It seems GCC uses too much memory in the CI and fails.
-// UNSUPPORTED: gcc-12
-
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/time/time.syn/formatter.year_month_day_last.pass.cpp b/libcxx/test/std/time/time.syn/formatter.year_month_day_last.pass.cpp
index 5ae7067..b2a5b27 100644
--- a/libcxx/test/std/time/time.syn/formatter.year_month_day_last.pass.cpp
+++ b/libcxx/test/std/time/time.syn/formatter.year_month_day_last.pass.cpp
@@ -9,9 +9,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
-
-// TODO FMT It seems GCC uses too much memory in the CI and fails.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
diff --git a/libcxx/test/std/time/time.syn/formatter.year_month_weekday.pass.cpp b/libcxx/test/std/time/time.syn/formatter.year_month_weekday.pass.cpp
index bbe55d7..26bde11 100644
--- a/libcxx/test/std/time/time.syn/formatter.year_month_weekday.pass.cpp
+++ b/libcxx/test/std/time/time.syn/formatter.year_month_weekday.pass.cpp
@@ -9,9 +9,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
-
-// TODO FMT It seems GCC uses too much memory in the CI and fails.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
diff --git a/libcxx/test/std/time/time.syn/formatter.year_month_weekday_last.pass.cpp b/libcxx/test/std/time/time.syn/formatter.year_month_weekday_last.pass.cpp
index 5d919d4..7336924 100644
--- a/libcxx/test/std/time/time.syn/formatter.year_month_weekday_last.pass.cpp
+++ b/libcxx/test/std/time/time.syn/formatter.year_month_weekday_last.pass.cpp
@@ -7,9 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
-
-// TODO FMT It seems GCC uses too much memory in the CI and fails.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
diff --git a/libcxx/test/std/utilities/charconv/charconv.to.chars/integral.pass.cpp b/libcxx/test/std/utilities/charconv/charconv.to.chars/integral.pass.cpp
index 3fc5670..77ae5ea 100644
--- a/libcxx/test/std/utilities/charconv/charconv.to.chars/integral.pass.cpp
+++ b/libcxx/test/std/utilities/charconv/charconv.to.chars/integral.pass.cpp
@@ -7,8 +7,7 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14
-// TODO FMT Evaluate gcc-12 status
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // ADDITIONAL_COMPILE_FLAGS(has-fconstexpr-steps): -fconstexpr-steps=12712420
 // ADDITIONAL_COMPILE_FLAGS(has-fconstexpr-ops-limit): -fconstexpr-ops-limit=50000000
diff --git a/libcxx/test/std/utilities/format/format.arguments/format.arg/visit_format_arg.pass.cpp b/libcxx/test/std/utilities/format/format.arguments/format.arg/visit_format_arg.pass.cpp
index 9c4ecd1..3ddf2d0 100644
--- a/libcxx/test/std/utilities/format/format.arguments/format.arg/visit_format_arg.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.arguments/format.arg/visit_format_arg.pass.cpp
@@ -6,6 +6,7 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <format>
 
diff --git a/libcxx/test/std/utilities/format/format.arguments/format.args/get.pass.cpp b/libcxx/test/std/utilities/format/format.arguments/format.args/get.pass.cpp
index 9fd91a3..0f3931a 100644
--- a/libcxx/test/std/utilities/format/format.arguments/format.args/get.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.arguments/format.args/get.pass.cpp
@@ -6,6 +6,7 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <format>
 
diff --git a/libcxx/test/std/utilities/format/format.formatter/format.context/format.context/arg.pass.cpp b/libcxx/test/std/utilities/format/format.formatter/format.context/format.context/arg.pass.cpp
index 601e93c..153f8bb 100644
--- a/libcxx/test/std/utilities/format/format.formatter/format.context/format.context/arg.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.formatter/format.context/format.context/arg.pass.cpp
@@ -6,6 +6,7 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <format>
 
diff --git a/libcxx/test/std/utilities/format/format.formatter/format.context/format.context/ctor.pass.cpp b/libcxx/test/std/utilities/format/format.formatter/format.context/format.context/ctor.pass.cpp
index 2a74df0..5f2f6f1 100644
--- a/libcxx/test/std/utilities/format/format.formatter/format.context/format.context/ctor.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.formatter/format.context/format.context/ctor.pass.cpp
@@ -7,6 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // REQUIRES: locale.en_US.UTF-8
 // REQUIRES: locale.fr_FR.UTF-8
diff --git a/libcxx/test/std/utilities/format/format.formatter/format.context/format.context/locale.pass.cpp b/libcxx/test/std/utilities/format/format.formatter/format.context/format.context/locale.pass.cpp
index 302c52b..edb0a01 100644
--- a/libcxx/test/std/utilities/format/format.formatter/format.context/format.context/locale.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.formatter/format.context/format.context/locale.pass.cpp
@@ -7,6 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // REQUIRES: locale.en_US.UTF-8
 // REQUIRES: locale.fr_FR.UTF-8
diff --git a/libcxx/test/std/utilities/format/format.formatter/format.formatter.spec/formatter.pointer.pass.cpp b/libcxx/test/std/utilities/format/format.formatter/format.formatter.spec/formatter.pointer.pass.cpp
index 44a4bb3..347458d 100644
--- a/libcxx/test/std/utilities/format/format.formatter/format.formatter.spec/formatter.pointer.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.formatter/format.formatter.spec/formatter.pointer.pass.cpp
@@ -6,6 +6,7 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <format>
 
diff --git a/libcxx/test/std/utilities/format/format.formatter/format.formatter.spec/formatter.signed_integral.pass.cpp b/libcxx/test/std/utilities/format/format.formatter/format.formatter.spec/formatter.signed_integral.pass.cpp
index 75e0d8b..6f827ef 100644
--- a/libcxx/test/std/utilities/format/format.formatter/format.formatter.spec/formatter.signed_integral.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.formatter/format.formatter.spec/formatter.signed_integral.pass.cpp
@@ -6,6 +6,7 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <format>
 
diff --git a/libcxx/test/std/utilities/format/format.formatter/format.formatter.spec/formatter.unsigned_integral.pass.cpp b/libcxx/test/std/utilities/format/format.formatter/format.formatter.spec/formatter.unsigned_integral.pass.cpp
index fae9ce3..2a412ea 100644
--- a/libcxx/test/std/utilities/format/format.formatter/format.formatter.spec/formatter.unsigned_integral.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.formatter/format.formatter.spec/formatter.unsigned_integral.pass.cpp
@@ -6,6 +6,7 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <format>
 
diff --git a/libcxx/test/std/utilities/format/format.functions/P2418.pass.cpp b/libcxx/test/std/utilities/format/format.functions/P2418.pass.cpp
index 95be648..bfd8041 100644
--- a/libcxx/test/std/utilities/format/format.functions/P2418.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.functions/P2418.pass.cpp
@@ -6,8 +6,7 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
-// TODO FMT Evaluate gcc-12 status
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
diff --git a/libcxx/test/std/utilities/format/format.functions/ascii.pass.cpp b/libcxx/test/std/utilities/format/format.functions/ascii.pass.cpp
index 349a7d4..d4a55dd 100644
--- a/libcxx/test/std/utilities/format/format.functions/ascii.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.functions/ascii.pass.cpp
@@ -6,6 +6,7 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // Force unicode to be disabled.
 // ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_HAS_NO_UNICODE
diff --git a/libcxx/test/std/utilities/format/format.functions/escaped_output.ascii.pass.cpp b/libcxx/test/std/utilities/format/format.functions/escaped_output.ascii.pass.cpp
index 7b3956f..fdf644f 100644
--- a/libcxx/test/std/utilities/format/format.functions/escaped_output.ascii.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.functions/escaped_output.ascii.pass.cpp
@@ -6,6 +6,7 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
diff --git a/libcxx/test/std/utilities/format/format.functions/escaped_output.unicode.pass.cpp b/libcxx/test/std/utilities/format/format.functions/escaped_output.unicode.pass.cpp
index efe1ad5f..95b00d0 100644
--- a/libcxx/test/std/utilities/format/format.functions/escaped_output.unicode.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.functions/escaped_output.unicode.pass.cpp
@@ -6,6 +6,7 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // This version runs the test when the platform has Unicode support.
 // UNSUPPORTED: libcpp-has-no-unicode
@@ -13,9 +14,6 @@
 // TODO FMT Investigate Windows and 32-bit AIX issues.
 // UNSUPPORTED: msvc, target={{.+}}-windows-gnu, target=powerpc-ibm-aix{{.*}}
 
-// TODO FMT Fix this test using GCC, it currently crashes.
-// UNSUPPORTED: gcc-12
-
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/utilities/format/format.functions/fill.unicode.pass.cpp b/libcxx/test/std/utilities/format/format.functions/fill.unicode.pass.cpp
index dcaea8e..9fe478a 100644
--- a/libcxx/test/std/utilities/format/format.functions/fill.unicode.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.functions/fill.unicode.pass.cpp
@@ -7,7 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: libcpp-has-no-incomplete-format
-// TODO FMT Evaluate gcc-12 status
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // This version runs the test when the platform has Unicode support.
 // UNSUPPORTED: libcpp-has-no-unicode
diff --git a/libcxx/test/std/utilities/format/format.functions/format.locale.pass.cpp b/libcxx/test/std/utilities/format/format.functions/format.locale.pass.cpp
index 510c37c..a0fe98e 100644
--- a/libcxx/test/std/utilities/format/format.functions/format.locale.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.functions/format.locale.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
-// TODO FMT Evaluate gcc-12 status
-// UNSUPPORTED:gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/utilities/format/format.functions/format.pass.cpp b/libcxx/test/std/utilities/format/format.functions/format.pass.cpp
index da695fe..5fe210e 100644
--- a/libcxx/test/std/utilities/format/format.functions/format.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.functions/format.pass.cpp
@@ -6,8 +6,7 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
-// TODO FMT Evaluate gcc-12 status
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/utilities/format/format.functions/format_to.locale.pass.cpp b/libcxx/test/std/utilities/format/format.functions/format_to.locale.pass.cpp
index 2dd5ce7..5de7c7b 100644
--- a/libcxx/test/std/utilities/format/format.functions/format_to.locale.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.functions/format_to.locale.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
-// TODO FMT Evaluate gcc-12 status
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/utilities/format/format.functions/format_to.pass.cpp b/libcxx/test/std/utilities/format/format.functions/format_to.pass.cpp
index 162b591..5c07409 100644
--- a/libcxx/test/std/utilities/format/format.functions/format_to.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.functions/format_to.pass.cpp
@@ -6,8 +6,7 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
-// TODO FMT Evaluate gcc-12 status
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/utilities/format/format.functions/format_to_n.locale.pass.cpp b/libcxx/test/std/utilities/format/format.functions/format_to_n.locale.pass.cpp
index 4c944000..948f2b3 100644
--- a/libcxx/test/std/utilities/format/format.functions/format_to_n.locale.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.functions/format_to_n.locale.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
-// TODO FMT Evaluate gcc-12 status
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/utilities/format/format.functions/format_to_n.pass.cpp b/libcxx/test/std/utilities/format/format.functions/format_to_n.pass.cpp
index 9c76bf8..12ec459 100644
--- a/libcxx/test/std/utilities/format/format.functions/format_to_n.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.functions/format_to_n.pass.cpp
@@ -6,8 +6,7 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
-// TODO FMT Evaluate gcc-12 status
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/utilities/format/format.functions/formatted_size.locale.pass.cpp b/libcxx/test/std/utilities/format/format.functions/formatted_size.locale.pass.cpp
index d5af8a1..16f0524f 100644
--- a/libcxx/test/std/utilities/format/format.functions/formatted_size.locale.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.functions/formatted_size.locale.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
-// TODO FMT Evaluate gcc-12 status
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/utilities/format/format.functions/formatted_size.pass.cpp b/libcxx/test/std/utilities/format/format.functions/formatted_size.pass.cpp
index 3aceabf..ac59af6 100644
--- a/libcxx/test/std/utilities/format/format.functions/formatted_size.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.functions/formatted_size.pass.cpp
@@ -6,8 +6,7 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
-// TODO FMT Evaluate gcc-12 status
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/utilities/format/format.functions/locale-specific_form.pass.cpp b/libcxx/test/std/utilities/format/format.functions/locale-specific_form.pass.cpp
index 77e1abe..44bf84d 100644
--- a/libcxx/test/std/utilities/format/format.functions/locale-specific_form.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.functions/locale-specific_form.pass.cpp
@@ -7,9 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
-
-// TODO FMT Evaluate gcc-12 status
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/utilities/format/format.functions/unicode.pass.cpp b/libcxx/test/std/utilities/format/format.functions/unicode.pass.cpp
index d976317..1ee1426 100644
--- a/libcxx/test/std/utilities/format/format.functions/unicode.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.functions/unicode.pass.cpp
@@ -6,6 +6,7 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // This version runs the test when the platform has Unicode support.
 // UNSUPPORTED: libcpp-has-no-unicode
diff --git a/libcxx/test/std/utilities/format/format.functions/vformat.locale.pass.cpp b/libcxx/test/std/utilities/format/format.functions/vformat.locale.pass.cpp
index 16fe5a7..228ccba 100644
--- a/libcxx/test/std/utilities/format/format.functions/vformat.locale.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.functions/vformat.locale.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
-// TODO FMT Evaluate gcc-12 status
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/utilities/format/format.functions/vformat.pass.cpp b/libcxx/test/std/utilities/format/format.functions/vformat.pass.cpp
index 4c074d7..6943ddc 100644
--- a/libcxx/test/std/utilities/format/format.functions/vformat.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.functions/vformat.pass.cpp
@@ -6,8 +6,7 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
-// TODO FMT Evaluate gcc-12 status
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/utilities/format/format.functions/vformat_to.locale.pass.cpp b/libcxx/test/std/utilities/format/format.functions/vformat_to.locale.pass.cpp
index 781e47e..bfbe9d0 100644
--- a/libcxx/test/std/utilities/format/format.functions/vformat_to.locale.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.functions/vformat_to.locale.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: no-localization
-// TODO FMT Evaluate gcc-12 status
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/utilities/format/format.functions/vformat_to.pass.cpp b/libcxx/test/std/utilities/format/format.functions/vformat_to.pass.cpp
index 3363366..c247a9b 100644
--- a/libcxx/test/std/utilities/format/format.functions/vformat_to.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.functions/vformat_to.pass.cpp
@@ -6,8 +6,7 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
-// TODO FMT Evaluate gcc-12 status
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/utilities/format/format.range/format.range.fmtdef/format.pass.cpp b/libcxx/test/std/utilities/format/format.range/format.range.fmtdef/format.pass.cpp
index 9847573..fe005b6 100644
--- a/libcxx/test/std/utilities/format/format.range/format.range.fmtdef/format.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.range/format.range.fmtdef/format.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <format>
 
diff --git a/libcxx/test/std/utilities/format/format.range/format.range.fmtdef/parse.pass.cpp b/libcxx/test/std/utilities/format/format.range/format.range.fmtdef/parse.pass.cpp
index 0a65975..9f9b4d4 100644
--- a/libcxx/test/std/utilities/format/format.range/format.range.fmtdef/parse.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.range/format.range.fmtdef/parse.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <format>
 
diff --git a/libcxx/test/std/utilities/format/format.range/format.range.fmtdef/set_brackets.pass.cpp b/libcxx/test/std/utilities/format/format.range/format.range.fmtdef/set_brackets.pass.cpp
index f4efada..6f361de 100644
--- a/libcxx/test/std/utilities/format/format.range/format.range.fmtdef/set_brackets.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.range/format.range.fmtdef/set_brackets.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <format>
 
diff --git a/libcxx/test/std/utilities/format/format.range/format.range.fmtdef/set_separator.pass.cpp b/libcxx/test/std/utilities/format/format.range/format.range.fmtdef/set_separator.pass.cpp
index 7b9fe54..87cf275 100644
--- a/libcxx/test/std/utilities/format/format.range/format.range.fmtdef/set_separator.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.range/format.range.fmtdef/set_separator.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <format>
 
diff --git a/libcxx/test/std/utilities/format/format.range/format.range.fmtmap/format.functions.format.pass.cpp b/libcxx/test/std/utilities/format/format.range/format.range.fmtmap/format.functions.format.pass.cpp
index b1a120e..5ac84b4 100644
--- a/libcxx/test/std/utilities/format/format.range/format.range.fmtmap/format.functions.format.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.range/format.range.fmtmap/format.functions.format.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/utilities/format/format.range/format.range.fmtmap/format.functions.vformat.pass.cpp b/libcxx/test/std/utilities/format/format.range/format.range.fmtmap/format.functions.vformat.pass.cpp
index eebc69f..567ebc1 100644
--- a/libcxx/test/std/utilities/format/format.range/format.range.fmtmap/format.functions.vformat.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.range/format.range.fmtmap/format.functions.vformat.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/utilities/format/format.range/format.range.fmtmap/format.pass.cpp b/libcxx/test/std/utilities/format/format.range/format.range.fmtmap/format.pass.cpp
index 75bdd20..035ed25 100644
--- a/libcxx/test/std/utilities/format/format.range/format.range.fmtmap/format.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.range/format.range.fmtmap/format.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <format>
 
diff --git a/libcxx/test/std/utilities/format/format.range/format.range.fmtmap/parse.pass.cpp b/libcxx/test/std/utilities/format/format.range/format.range.fmtmap/parse.pass.cpp
index 2e17fdc..daa9221 100644
--- a/libcxx/test/std/utilities/format/format.range/format.range.fmtmap/parse.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.range/format.range.fmtmap/parse.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <format>
 
diff --git a/libcxx/test/std/utilities/format/format.range/format.range.fmtset/format.functions.format.pass.cpp b/libcxx/test/std/utilities/format/format.range/format.range.fmtset/format.functions.format.pass.cpp
index d2c8551..4b971cb 100644
--- a/libcxx/test/std/utilities/format/format.range/format.range.fmtset/format.functions.format.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.range/format.range.fmtset/format.functions.format.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/utilities/format/format.range/format.range.fmtset/format.functions.vformat.pass.cpp b/libcxx/test/std/utilities/format/format.range/format.range.fmtset/format.functions.vformat.pass.cpp
index 88577be5..60dde24 100644
--- a/libcxx/test/std/utilities/format/format.range/format.range.fmtset/format.functions.vformat.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.range/format.range.fmtset/format.functions.vformat.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/utilities/format/format.range/format.range.fmtset/format.pass.cpp b/libcxx/test/std/utilities/format/format.range/format.range.fmtset/format.pass.cpp
index 93f2296..550ac4f 100644
--- a/libcxx/test/std/utilities/format/format.range/format.range.fmtset/format.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.range/format.range.fmtset/format.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <format>
 
diff --git a/libcxx/test/std/utilities/format/format.range/format.range.fmtset/parse.pass.cpp b/libcxx/test/std/utilities/format/format.range/format.range.fmtset/parse.pass.cpp
index e0f1a6b..843855f 100644
--- a/libcxx/test/std/utilities/format/format.range/format.range.fmtset/parse.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.range/format.range.fmtset/parse.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <format>
 
diff --git a/libcxx/test/std/utilities/format/format.range/format.range.fmtstr/format.functions.format.pass.cpp b/libcxx/test/std/utilities/format/format.range/format.range.fmtstr/format.functions.format.pass.cpp
index 9fc1851..dd2815f 100644
--- a/libcxx/test/std/utilities/format/format.range/format.range.fmtstr/format.functions.format.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.range/format.range.fmtstr/format.functions.format.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/utilities/format/format.range/format.range.fmtstr/format.functions.vformat.pass.cpp b/libcxx/test/std/utilities/format/format.range/format.range.fmtstr/format.functions.vformat.pass.cpp
index a76e9ac..b836f2e 100644
--- a/libcxx/test/std/utilities/format/format.range/format.range.fmtstr/format.functions.vformat.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.range/format.range.fmtstr/format.functions.vformat.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/utilities/format/format.range/format.range.formatter/format.functions.format.pass.cpp b/libcxx/test/std/utilities/format/format.range/format.range.formatter/format.functions.format.pass.cpp
index 2c24c00..a534810 100644
--- a/libcxx/test/std/utilities/format/format.range/format.range.formatter/format.functions.format.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.range/format.range.formatter/format.functions.format.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/utilities/format/format.range/format.range.formatter/format.functions.vformat.pass.cpp b/libcxx/test/std/utilities/format/format.range/format.range.formatter/format.functions.vformat.pass.cpp
index 239d6a1..d46499b 100644
--- a/libcxx/test/std/utilities/format/format.range/format.range.formatter/format.functions.vformat.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.range/format.range.formatter/format.functions.vformat.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/utilities/format/format.range/format.range.formatter/format.pass.cpp b/libcxx/test/std/utilities/format/format.range/format.range.formatter/format.pass.cpp
index 78294a8..b3ef1b3 100644
--- a/libcxx/test/std/utilities/format/format.range/format.range.formatter/format.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.range/format.range.formatter/format.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <format>
 
diff --git a/libcxx/test/std/utilities/format/format.range/format.range.formatter/parse.pass.cpp b/libcxx/test/std/utilities/format/format.range/format.range.formatter/parse.pass.cpp
index e6fded4..87774c2 100644
--- a/libcxx/test/std/utilities/format/format.range/format.range.formatter/parse.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.range/format.range.formatter/parse.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <format>
 
diff --git a/libcxx/test/std/utilities/format/format.range/format.range.formatter/set_brackets.pass.cpp b/libcxx/test/std/utilities/format/format.range/format.range.formatter/set_brackets.pass.cpp
index 921dd03..a26a10c 100644
--- a/libcxx/test/std/utilities/format/format.range/format.range.formatter/set_brackets.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.range/format.range.formatter/set_brackets.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <format>
 
diff --git a/libcxx/test/std/utilities/format/format.range/format.range.formatter/set_separator.pass.cpp b/libcxx/test/std/utilities/format/format.range/format.range.formatter/set_separator.pass.cpp
index 8a04b6c..9d402db 100644
--- a/libcxx/test/std/utilities/format/format.range/format.range.formatter/set_separator.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.range/format.range.formatter/set_separator.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <format>
 
diff --git a/libcxx/test/std/utilities/format/format.range/format.range.formatter/underlying.pass.cpp b/libcxx/test/std/utilities/format/format.range/format.range.formatter/underlying.pass.cpp
index 715a062..2770f4c 100644
--- a/libcxx/test/std/utilities/format/format.range/format.range.formatter/underlying.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.range/format.range.formatter/underlying.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <format>
 
diff --git a/libcxx/test/std/utilities/format/format.string/format.string.std/lwg3720_arg_id_width_precision_allowed_types.pass.cpp b/libcxx/test/std/utilities/format/format.string/format.string.std/lwg3720_arg_id_width_precision_allowed_types.pass.cpp
index dc0193c..5f1757a 100644
--- a/libcxx/test/std/utilities/format/format.string/format.string.std/lwg3720_arg_id_width_precision_allowed_types.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.string/format.string.std/lwg3720_arg_id_width_precision_allowed_types.pass.cpp
@@ -6,6 +6,7 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/utilities/format/format.tuple/format.functions.format.pass.cpp b/libcxx/test/std/utilities/format/format.tuple/format.functions.format.pass.cpp
index daff79b..8cdcc9d 100644
--- a/libcxx/test/std/utilities/format/format.tuple/format.functions.format.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.tuple/format.functions.format.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // TODO FMT This test should not require std::to_chars(floating-point)
 // XFAIL: availability-fp_to_chars-missing
diff --git a/libcxx/test/std/utilities/format/format.tuple/format.functions.vformat.pass.cpp b/libcxx/test/std/utilities/format/format.tuple/format.functions.vformat.pass.cpp
index ce1967e..e3f20e4 100644
--- a/libcxx/test/std/utilities/format/format.tuple/format.functions.vformat.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.tuple/format.functions.vformat.pass.cpp
@@ -6,8 +6,7 @@
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
-// TODO FMT Evaluate gcc-12 status
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // XFAIL: availability-fp_to_chars-missing
 
diff --git a/libcxx/test/std/utilities/format/format.tuple/format.pass.cpp b/libcxx/test/std/utilities/format/format.tuple/format.pass.cpp
index f969dce..f68bbed 100644
--- a/libcxx/test/std/utilities/format/format.tuple/format.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.tuple/format.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <format>
 
diff --git a/libcxx/test/std/utilities/format/format.tuple/parse.pass.cpp b/libcxx/test/std/utilities/format/format.tuple/parse.pass.cpp
index 8f6268d..5cabbda 100644
--- a/libcxx/test/std/utilities/format/format.tuple/parse.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.tuple/parse.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <format>
 
diff --git a/libcxx/test/std/utilities/format/format.tuple/set_brackets.pass.cpp b/libcxx/test/std/utilities/format/format.tuple/set_brackets.pass.cpp
index ac49af3..b048008 100644
--- a/libcxx/test/std/utilities/format/format.tuple/set_brackets.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.tuple/set_brackets.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <format>
 
diff --git a/libcxx/test/std/utilities/format/format.tuple/set_separator.pass.cpp b/libcxx/test/std/utilities/format/format.tuple/set_separator.pass.cpp
index b066e50..af285e63 100644
--- a/libcxx/test/std/utilities/format/format.tuple/set_separator.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.tuple/set_separator.pass.cpp
@@ -7,8 +7,7 @@
 
 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
 
-// TODO FMT Fix this test using GCC, it currently times out.
-// UNSUPPORTED: gcc-12
+// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
 
 // <format>
 
diff --git a/libcxx/utils/libcxx/test/features.py b/libcxx/utils/libcxx/test/features.py
index 9afe3d2..082e6e7 100644
--- a/libcxx/utils/libcxx/test/features.py
+++ b/libcxx/utils/libcxx/test/features.py
@@ -294,6 +294,7 @@ DEFAULT_FEATURES = [
             AddCompileFlag("-D_LIBCPP_DISABLE_DEPRECATION_WARNINGS"),
             AddCompileFlag("-Wno-placement-new"),
             AddCompileFlag("-Wno-class-memaccess"),
+            AddFeature("GCC-ALWAYS_INLINE-FIXME"),
         ],
     ),
     Feature(
-- 
2.7.4