Daily bump.

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 425ec28..fe1b154 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,119 @@
+2021-10-08  Vladimir N. Makarov  <vmakarov@redhat.com>
+
+       PR rtl-optimization/102627
+       * lra-constraints.c (split_reg): Use at least natural mode of hard reg.
+
+2021-10-08  Aldy Hernandez  <aldyh@redhat.com>
+
+       * gimple-range-cache.cc (non_null_ref::non_null_deref_p): Grow
+       bitmap if needed.
+
+2021-10-08  Aldy Hernandez  <aldyh@redhat.com>
+
+       * value-range.cc (irange::debug): New.
+       * value-range.h (irange::debug): New.
+
+2021-10-08  Richard Sandiford  <richard.sandiford@arm.com>
+
+       PR tree-optimization/102385
+       * predict.h (change_edge_frequency): Declare.
+       * predict.c (change_edge_frequency): New function.
+       * tree-ssa-loop-manip.h (tree_transform_and_unroll_loop): Remove
+       edge argument.
+       (tree_unroll_loop): Likewise.
+       * gimple-loop-jam.c (tree_loop_unroll_and_jam): Update accordingly.
+       * tree-predcom.c (pcom_worker::tree_predictive_commoning_loop):
+       Likewise.
+       * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Likewise.
+       * tree-ssa-loop-manip.c (tree_unroll_loop): Likewise.
+       (tree_transform_and_unroll_loop): Likewise.  Use single_dom_exit
+       to retrieve the exit edges.  Make all the old profile update code
+       conditional on !single_loop_p -- the case it was written for --
+       and use a different approach for the single-loop case.
+
+2021-10-08  Martin Liska  <mliska@suse.cz>
+
+       * config/alpha/alpha.c (alpha_option_override): Use new macro
+       OPTION_SET_P.
+       * config/arc/arc.c (arc_override_options): Likewise.
+       * config/arm/arm.c (arm_option_override): Likewise.
+       * config/bfin/bfin.c (bfin_load_pic_reg): Likewise.
+       * config/c6x/c6x.c (c6x_option_override): Likewise.
+       * config/csky/csky.c: Likewise.
+       * config/darwin.c (darwin_override_options): Likewise.
+       * config/frv/frv.c (frv_option_override): Likewise.
+       * config/i386/djgpp.h: Likewise.
+       * config/i386/i386.c (ix86_stack_protect_guard): Likewise.
+       (ix86_max_noce_ifcvt_seq_cost): Likewise.
+       * config/ia64/ia64.c (ia64_option_override): Likewise.
+       (ia64_override_options_after_change): Likewise.
+       * config/m32c/m32c.c (m32c_option_override): Likewise.
+       * config/m32r/m32r.c (m32r_init): Likewise.
+       * config/m68k/m68k.c (m68k_option_override): Likewise.
+       * config/microblaze/microblaze.c (microblaze_option_override): Likewise.
+       * config/mips/mips.c (mips_option_override): Likewise.
+       * config/nios2/nios2.c (nios2_option_override): Likewise.
+       * config/nvptx/nvptx.c (nvptx_option_override): Likewise.
+       * config/pa/pa.c (pa_option_override): Likewise.
+       * config/riscv/riscv.c (riscv_option_override): Likewise.
+       * config/rs6000/aix71.h: Likewise.
+       * config/rs6000/aix72.h: Likewise.
+       * config/rs6000/aix73.h: Likewise.
+       * config/rs6000/rs6000.c (darwin_rs6000_override_options): Likewise.
+       (rs6000_override_options_after_change): Likewise.
+       (rs6000_linux64_override_options): Likewise.
+       (glibc_supports_ieee_128bit): Likewise.
+       (rs6000_option_override_internal): Likewise.
+       (rs6000_file_start): Likewise.
+       (rs6000_darwin_file_start): Likewise.
+       * config/rs6000/rtems.h: Likewise.
+       * config/rs6000/sysv4.h: Likewise.
+       * config/rs6000/vxworks.h (SUB3TARGET_OVERRIDE_OPTIONS): Likewise.
+       * config/s390/s390.c (s390_option_override): Likewise.
+       * config/sh/linux.h: Likewise.
+       * config/sh/netbsd-elf.h (while): Likewise.
+       * config/sh/sh.c (sh_option_override): Likewise.
+       * config/sol2.c (solaris_override_options): Likewise.
+       * config/sparc/sparc.c (sparc_option_override): Likewise.
+       * config/tilegx/tilegx.c (tilegx_option_override): Likewise.
+       * config/visium/visium.c (visium_option_override): Likewise.
+       * config/vxworks.c (vxworks_override_options): Likewise.
+       * lto-opts.c (lto_write_options): Likewise.
+       * omp-expand.c (expand_omp_simd): Likewise.
+       * omp-general.c (omp_max_vf): Likewise.
+       * omp-offload.c (oacc_xform_loop): Likewise.
+       * opts.h (OPTION_SET_P): Likewise.
+       * targhooks.c (default_max_noce_ifcvt_seq_cost): Likewise.
+       * toplev.c (process_options): Likewise.
+       * tree-predcom.c: Likewise.
+       * tree-sra.c (analyze_all_variable_accesses): Likewise.
+
+2021-10-08  liuhongt  <hongtao.liu@intel.com>
+
+       PR target/102464
+       * config/i386/i386.c (ix86_optab_supported_p):
+       Return true for HFmode.
+       * match.pd: Simplify (_Float16) ceil ((double) x) to
+       __builtin_ceilf16 (a) when a is _Float16 type and
+       direct_internal_fn_supported_p.
+
+2021-10-08  liuhongt  <hongtao.liu@intel.com>
+
+       PR target/102494
+       * config/i386/i386-expand.c (emit_reduc_half): Hanlde V4HImode.
+       * config/i386/mmx.md (reduc_plus_scal_v4hi): New.
+       (reduc_<code>_scal_v4hi): New.
+
+2021-10-08  liuhongt  <hongtao.liu@intel.com>
+
+       * common.opt (ftree-vectorize): Add Var(flag_tree_vectorize).
+       * doc/invoke.texi (Options That Control Optimization): Update
+       documents.
+       * opts.c (default_options_table): Enable auto-vectorization at
+       O2 with very-cheap cost model.
+       (finish_options): Use cheap cost model for
+       explicit -ftree{,-loop}-vectorize.
+
 2021-10-07  Indu Bhagat  <indu.bhagat@oracle.com>
 
        * ctfc.c (ctfc_delete_container): Free hash table contents.

diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 202e0fe..352475c 100644 (file)
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20211008
+20211009

diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog
index feadd5e..d712fb7 100644 (file)
--- a/gcc/ada/ChangeLog
+++ b/gcc/ada/ChangeLog
@@ -1,3 +1,10 @@
+2021-10-08  Martin Liska  <mliska@suse.cz>
+
+       * gcc-interface/misc.c (gnat_post_options): Use new macro
+       OPTION_SET_P.
+       (gnat_init_gcc_eh): Likewise.
+       (gnat_init_gcc_fp): Likewise.
+
 2021-10-05  Eric Botcazou  <ebotcazou@adacore.com>
 
        * gcc-interface/trans.c (gnat_to_gnu): Do not wrap boolean values

diff --git a/gcc/c-family/ChangeLog b/gcc/c-family/ChangeLog
index c3ee247..3dc19e1 100644 (file)
--- a/gcc/c-family/ChangeLog
+++ b/gcc/c-family/ChangeLog
@@ -1,3 +1,8 @@
+2021-10-08  Martin Liska  <mliska@suse.cz>
+
+       * c-opts.c (c_common_post_options): Use new macro
+       OPTION_SET_P.
+
 2021-10-07  Martin Liska  <mliska@suse.cz>
 
        * c-common.c (parse_optimize_options): Make

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index b4acf62..3dfe67f 100644 (file)
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,16 @@
+2021-10-08  Martin Liska  <mliska@suse.cz>
+
+       * constexpr.c (maybe_warn_about_constant_value): Use new macro
+       OPTION_SET_P.
+       * decl.c (redeclaration_error_message): Likewise.
+       (cxx_init_decl_processing): Likewise.
+
+2021-10-08  Jakub Jelinek  <jakub@redhat.com>
+
+       PR c++/102640
+       * parser.c (handle_omp_declare_target_clause): New function.
+       (cp_parser_omp_declare_target): Use it.
+
 2021-10-07  Patrick Palka  <ppalka@redhat.com>
 
        PR c++/61355

diff --git a/gcc/d/ChangeLog b/gcc/d/ChangeLog
index 7f1f510..c045cc9 100644 (file)
--- a/gcc/d/ChangeLog
+++ b/gcc/d/ChangeLog
@@ -1,3 +1,8 @@
+2021-10-08  Martin Liska  <mliska@suse.cz>
+
+       * d-lang.cc (d_post_options): Use new macro
+       OPTION_SET_P.
+
 2021-10-05  Iain Sandoe  <iain@sandoe.co.uk>
 
        * d-spec.cc (lang_specific_driver): Push the -static-libstdc++

diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index b296797..0d0ebed 100644 (file)
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,16 @@
+2021-10-08  Sandra Loosemore  <sandra@codesourcery.com>
+
+       PR fortran/54753
+       * interface.c (gfc_compare_actual_formal): Add diagnostic
+       for F2018:C839.  Refactor shared code and fix bugs with class
+       array info lookup, and extend similar diagnostic from PR94110
+       to also cover class types.
+
+2021-10-08  Martin Liska  <mliska@suse.cz>
+
+       * options.c (gfc_post_options): Use new macro
+       OPTION_SET_P.
+
 2021-10-06  Tobias Burnus  <tobias@codesourcery.com>
 
        * resolve.c (resolve_values): Only show

diff --git a/gcc/objc/ChangeLog b/gcc/objc/ChangeLog
index 668be66..853ce09 100644 (file)
--- a/gcc/objc/ChangeLog
+++ b/gcc/objc/ChangeLog
@@ -1,3 +1,14 @@
+2021-10-08  Martin Liska  <mliska@suse.cz>
+
+       * objc-next-runtime-abi-01.c: Add missing include.
+       * objc-next-runtime-abi-02.c: Likewise.
+
+2021-10-08  Martin Liska  <mliska@suse.cz>
+
+       * objc-next-runtime-abi-01.c: Use new macro
+       OPTION_SET_P.
+       * objc-next-runtime-abi-02.c (objc_next_runtime_abi_02_init): Likewise.
+
 2021-09-01  Iain Sandoe  <iain@sandoe.co.uk>
 
        PR objc/101718

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 1cc6add..70a13e4 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,97 @@
+2021-10-08  Sandra Loosemore  <sandra@codesourcery.com>
+
+       PR fortran/54753
+       * gfortran.dg/c-interop/c535c-1.f90: Rewrite and expand.
+       * gfortran.dg/c-interop/c535c-2.f90: Remove xfails.
+       * gfortran.dg/c-interop/c535c-3.f90: Likewise.
+       * gfortran.dg/c-interop/c535c-4.f90: Likewise.
+       * gfortran.dg/PR94110.f90: Extend to cover class types.
+
+2021-10-08  Vladimir N. Makarov  <vmakarov@redhat.com>
+
+       PR rtl-optimization/102627
+       * gcc.target/i386/pr102627.c: New test.
+
+2021-10-08  Richard Sandiford  <richard.sandiford@arm.com>
+
+       * gcc.dg/pr102385.c: New test.
+
+2021-10-08  Jakub Jelinek  <jakub@redhat.com>
+
+       PR c++/102640
+       * c-c++-common/gomp/pr102640.c: New test.
+
+2021-10-08  Roger Sayle  <roger@nextmovesoftware.com>
+
+       * gcc.target/i386/sse2-mmx-paddsb-2.c: Test for -128 or 128.
+       * gcc.target/i386/sse2-mmx-paddusb-2.c: Test for -1 or 255.
+       * gcc.target/i386/sse2-mmx-psubsb-2.c: Test for -128 or 128.
+
+2021-10-08  liuhongt  <hongtao.liu@intel.com>
+
+       * gcc.target/i386/pr102464.c: New test.
+
+2021-10-08  liuhongt  <hongtao.liu@intel.com>
+
+       * gcc.target/i386/mmx-reduce-op-1.c: New test.
+       * gcc.target/i386/mmx-reduce-op-2.c: New test.
+
+2021-10-08  liuhongt  <hongtao.liu@intel.com>
+
+       * c-c++-common/Wstringop-overflow-2.c: Adjust testcase.
+       * g++.dg/tree-ssa/pr81408.C: Ditto.
+       * g++.dg/warn/Wuninitialized-13.C: Ditto.
+       * gcc.dg/Warray-bounds-51.c: Ditto.
+       * gcc.dg/Warray-parameter-3.c: Ditto.
+       * gcc.dg/Wstringop-overflow-14.c: Ditto.
+       * gcc.dg/Wstringop-overflow-21.c: Ditto.
+       * gcc.dg/Wstringop-overflow-68.c: Ditto.
+       * gcc.dg/Wstringop-overflow-76.c: Ditto.
+       * gcc.dg/gomp/pr46032-2.c: Ditto.
+       * gcc.dg/gomp/pr46032-3.c: Ditto.
+       * gcc.dg/gomp/simd-2.c: Ditto.
+       * gcc.dg/gomp/simd-3.c: Ditto.
+       * gcc.dg/graphite/fuse-1.c: Ditto.
+       * gcc.dg/pr67089-6.c: Ditto.
+       * gcc.dg/pr82929-2.c: Ditto.
+       * gcc.dg/pr82929.c: Ditto.
+       * gcc.dg/store_merging_1.c: Ditto.
+       * gcc.dg/store_merging_11.c: Ditto.
+       * gcc.dg/store_merging_13.c: Ditto.
+       * gcc.dg/store_merging_15.c: Ditto.
+       * gcc.dg/store_merging_16.c: Ditto.
+       * gcc.dg/store_merging_19.c: Ditto.
+       * gcc.dg/store_merging_24.c: Ditto.
+       * gcc.dg/store_merging_25.c: Ditto.
+       * gcc.dg/store_merging_28.c: Ditto.
+       * gcc.dg/store_merging_30.c: Ditto.
+       * gcc.dg/store_merging_5.c: Ditto.
+       * gcc.dg/store_merging_7.c: Ditto.
+       * gcc.dg/store_merging_8.c: Ditto.
+       * gcc.dg/strlenopt-85.c: Ditto.
+       * gcc.dg/tree-ssa/dump-6.c: Ditto.
+       * gcc.dg/tree-ssa/pr19210-1.c: Ditto.
+       * gcc.dg/tree-ssa/pr47059.c: Ditto.
+       * gcc.dg/tree-ssa/pr86017.c: Ditto.
+       * gcc.dg/tree-ssa/pr91482.c: Ditto.
+       * gcc.dg/tree-ssa/predcom-1.c: Ditto.
+       * gcc.dg/tree-ssa/predcom-dse-3.c: Ditto.
+       * gcc.dg/tree-ssa/prefetch-3.c: Ditto.
+       * gcc.dg/tree-ssa/prefetch-6.c: Ditto.
+       * gcc.dg/tree-ssa/prefetch-8.c: Ditto.
+       * gcc.dg/tree-ssa/prefetch-9.c: Ditto.
+       * gcc.dg/tree-ssa/ssa-dse-18.c: Ditto.
+       * gcc.dg/tree-ssa/ssa-dse-19.c: Ditto.
+       * gcc.dg/uninit-40.c: Ditto.
+       * gcc.dg/unroll-7.c: Ditto.
+       * gcc.misc-tests/help.exp: Ditto.
+       * gcc.target/i386/avx512vpopcntdqvl-vpopcntd-1.c: Ditto.
+       * gcc.target/i386/pr34012.c: Ditto.
+       * gcc.target/i386/pr49781-1.c: Ditto.
+       * gcc.target/i386/pr95798-1.c: Ditto.
+       * gcc.target/i386/pr95798-2.c: Ditto.
+       * gfortran.dg/pr77498.f: Ditto.
+
 2021-10-07  Patrick Palka  <ppalka@redhat.com>
 
        PR c++/61355

diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index 5ecd436..e153292 100644 (file)
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,10 @@
+2021-10-08  Ian Lance Taylor  <iant@golang.org>
+
+       * config/i386/morestack.S: Use .init_array for constructor if
+       available.
+       * config/rs6000/morestack.S: Likewise.
+       * config/s390/morestack.S: Likewise.
+
 2021-10-03  Patrick McGehearty  <patrick.mcgehearty@oracle.com>
 
        PR target/101104

diff --git a/libsanitizer/ChangeLog b/libsanitizer/ChangeLog
index e7a15fa..2b83bef 100644 (file)
--- a/libsanitizer/ChangeLog
+++ b/libsanitizer/ChangeLog
@@ -1,3 +1,19 @@
+2021-10-08  H.J. Lu  <hjl.tools@gmail.com>
+
+       PR sanitizer/102632
+       * asan/Makefile.am (AM_CCASFLAGS): New.  Set to $(EXTRA_ASFLAGS).
+       * hwasan/Makefile.am (AM_CCASFLAGS): Likewise.
+       * interception/Makefile.am (AM_CCASFLAGS): Likewise.
+       * lsan/Makefile.am (AM_CCASFLAGS): Likewise.
+       * tsan/Makefile.am (AM_CCASFLAGS): Likewise.
+       * ubsan/Makefile.am (AM_CCASFLAGS): Likewise.
+       * asan/Makefile.in: Regenerate.
+       * hwasan/Makefile.in: Likewise.
+       * interception/Makefile.in: Likewise.
+       * lsan/Makefile.in: Likewise.
+       * tsan/Makefile.in: Likewise.
+       * ubsan/Makefile.in: Likewise.
+
 2021-10-06  H.J. Lu  <hjl.tools@gmail.com>
 
        * LOCAL_PATCHES: Update to the corresponding revision.

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 1a7bb78..5178f6a 100644 (file)
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,301 @@
+2021-10-08  Jonathan Wakely  <jwakely@redhat.com>
+
+       PR libstdc++/98725
+       * testsuite/18_support/numeric_limits/lowest.cc: Remove use of
+       _GLIBCXX_USE_WCHAR_T.
+       * testsuite/18_support/numeric_limits/min_max.cc: Replace use of
+       _GLIBCXX_USE_WCHAR_T with checks for WCHAR_MIN and WCHAR_MAX.
+       * testsuite/20_util/from_chars/1_neg.cc: Remove use of
+       _GLIBCXX_USE_WCHAR_T.
+       * testsuite/20_util/function_objects/searchers.cc: Likewise. Use
+       char_traits<wchar_t>::length instead of wcslen.
+       * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
+       Likewise.
+       * testsuite/20_util/is_arithmetic/value.cc: Likewise.
+       * testsuite/20_util/is_compound/value.cc: Likewise.
+       * testsuite/20_util/is_floating_point/value.cc: Likewise.
+       * testsuite/20_util/is_fundamental/value.cc: Likewise.
+       * testsuite/20_util/is_integral/value.cc: Likewise.
+       * testsuite/20_util/is_signed/value.cc: Likewise.
+       * testsuite/20_util/is_unsigned/value.cc: Likewise.
+       * testsuite/20_util/is_void/value.cc: Likewise.
+       * testsuite/20_util/make_signed/requirements/typedefs-1.cc:
+       Likewise.
+       * testsuite/20_util/make_signed/requirements/typedefs-2.cc:
+       Likewise.
+       * testsuite/20_util/make_signed/requirements/typedefs-3.cc:
+       Likewise.
+       * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
+       Likewise.
+       * testsuite/20_util/make_unsigned/requirements/typedefs-1.cc:
+       Likewise.
+       * testsuite/20_util/make_unsigned/requirements/typedefs-2.cc:
+       Likewise.
+       * testsuite/20_util/make_unsigned/requirements/typedefs-3.cc:
+       Likewise.
+       * testsuite/20_util/to_chars/3.cc: Likewise.
+       * testsuite/20_util/type_identity/requirements/typedefs.cc:
+       Likewise.
+       * testsuite/21_strings/basic_string/hash/debug.cc: Likewise.
+       * testsuite/21_strings/basic_string/hash/hash.cc: Likewise.
+       * testsuite/21_strings/basic_string/literals/types-char8_t.cc:
+       Likewise.
+       * testsuite/21_strings/basic_string/literals/types.cc: Likewise.
+       * testsuite/21_strings/basic_string/literals/values-char8_t.cc:
+       Likewise.
+       * testsuite/21_strings/basic_string/literals/values.cc:
+       Likewise.
+       * testsuite/21_strings/basic_string/modifiers/64422.cc:
+       Likewise.
+       * testsuite/21_strings/basic_string/range_access/wchar_t/1.cc:
+       Likewise.
+       * testsuite/21_strings/basic_string/requirements/citerators.cc:
+       Likewise.
+       * testsuite/21_strings/basic_string/requirements/typedefs.cc:
+       Likewise.
+       * testsuite/21_strings/basic_string/types/pmr_typedefs.cc:
+       Likewise.
+       * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
+       Likewise.
+       * testsuite/21_strings/basic_string_view/literals/types.cc:
+       Likewise.
+       * testsuite/21_strings/basic_string_view/literals/values-char8_t.cc:
+       Likewise.
+       * testsuite/21_strings/basic_string_view/literals/values.cc:
+       Likewise.
+       * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
+       Likewise.
+       * testsuite/21_strings/basic_string_view/typedefs.cc: Likewise.
+       * testsuite/21_strings/char_traits/requirements/constexpr_functions.cc:
+       Likewise.
+       * testsuite/21_strings/char_traits/requirements/constexpr_functions_c++17.cc:
+       Likewise.
+       * testsuite/21_strings/char_traits/requirements/constexpr_functions_c++20.cc:
+       Likewise.
+       * testsuite/22_locale/ctype/is/string/89728_neg.cc: Likewise.
+       * testsuite/25_algorithms/fill/4.cc: Likewise.
+       * testsuite/25_algorithms/fill_n/1.cc: Likewise.
+       * testsuite/experimental/functional/searchers.cc: Likewise. Use
+       char_traits<wchar_t>::length instead of wcslen.
+       * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
+       Likewise.
+       * testsuite/experimental/string_view/literals/types-char8_t.cc:
+       Likewise.
+       * testsuite/experimental/string_view/literals/types.cc:
+       Likewise.
+       * testsuite/experimental/string_view/literals/values-char8_t.cc:
+       Likewise.
+       * testsuite/experimental/string_view/literals/values.cc:
+       Likewise.
+       * testsuite/experimental/string_view/range_access/wchar_t/1.cc:
+       Likewise.
+       * testsuite/experimental/string_view/requirements/typedefs.cc:
+       Likewise.
+       * testsuite/experimental/string_view/typedefs.cc: Likewise.
+       * testsuite/ext/vstring/range_access.cc: Likewise.
+       * testsuite/std/concepts/concepts.lang/concept.arithmetic/integral.cc:
+       Likewise.
+       * testsuite/std/concepts/concepts.lang/concept.arithmetic/signed_integral.cc:
+       Likewise.
+       * testsuite/std/concepts/concepts.lang/concept.arithmetic/unsigned_integral.cc:
+       Likewise.
+       * testsuite/tr1/4_metaprogramming/is_arithmetic/value.cc:
+       Likewise.
+       * testsuite/tr1/4_metaprogramming/is_compound/value.cc:
+       Likewise.
+       * testsuite/tr1/4_metaprogramming/is_floating_point/value.cc:
+       Likewise.
+       * testsuite/tr1/4_metaprogramming/is_fundamental/value.cc:
+       Likewise.
+       * testsuite/tr1/4_metaprogramming/is_integral/value.cc:
+       Likewise.
+       * testsuite/tr1/4_metaprogramming/is_signed/value.cc: Likewise.
+       * testsuite/tr1/4_metaprogramming/is_unsigned/value.cc:
+       Likewise.
+       * testsuite/tr1/4_metaprogramming/is_void/value.cc: Likewise.
+       * testsuite/tr1/6_containers/hash/24799.cc: Likewise.
+
+2021-10-08  Jonathan Wakely  <jwakely@redhat.com>
+
+       PR libstdc++/98725
+       * include/std/ostream (operator<<(basic_ostream<char, Tr>&, wchar_t))
+       (operator<<(basic_ostream<char, Tr>&, const wchar_t*)): Always
+       define as deleted. Do not check _GLIBCXX_USE_WCHAR_T.
+
+2021-10-08  Jonathan Wakely  <jwakely@redhat.com>
+
+       PR libstdc++/98725
+       * include/bits/locale_conv.h (wstring_convert, wbuffer_convert):
+       Define unconditionally. Do not check _GLIBCXX_USE_WCHAR_T.
+
+2021-10-08  Jonathan Wakely  <jwakely@redhat.com>
+
+       PR libstdc++/98725
+       * include/c_global/cstddef [!_GLIBCXX_USE_WCHAR_T]
+       (__byte_operand<wchar_t>): Define specialization.
+       * include/std/type_traits (__make_signed<wchar_t>)
+       (__make_unsigned<wchar_t>): Remove redundant check for
+       __WCHAR_TYPE__ being defined.
+       * include/tr1/type_traits [!_GLIBCXX_USE_WCHAR_T]
+       (__is_integral_helper<wchar_t>): Likewise.
+
+2021-10-08  Jonathan Wakely  <jwakely@redhat.com>
+
+       PR libstdc++/98725
+       * include/ext/rc_string_base.h [!_GLIBCXX_USE_WCHAR_T]
+       (__rc_string_base<wchar_t>): Define member function.
+       * include/ext/vstring.h [!_GLIBCXX_USE_WCHAR_T]
+       (hash<__gnu_cxx::__wvstring>): Define specialization.
+       * include/ext/vstring_fwd.h [!_GLIBCXX_USE_WCHAR_T] (__wvstring)
+       (__wsso_string, __wrc_string): Declare typedefs.
+
+2021-10-08  Jonathan Wakely  <jwakely@redhat.com>
+
+       PR libstdc++/98725
+       * include/bits/char_traits.h (char_traits<wchar_t>): Define
+       explicit specialization unconditionally.
+       * include/bits/basic_string.h (hash<wstring>): Define
+       unconditionally. Do not check _GLIBCXX_USE_WCHAR_T.
+       * include/bits/stringfwd.h (wstring): Likewise.
+       * include/debug/string (wstring): Likewise.
+       * include/experimental/string_view (experimental::wstring_view)
+       (hash<experimental::wstring_view>): Likewise.
+       * include/std/string (pmr::wstring, hash<pmr::wstring>):
+       Likewise.
+       * include/std/string_view (wstring_view, hash<wstring_view>):
+       Likewise.
+
+2021-10-08  Jonathan Wakely  <jwakely@redhat.com>
+
+       * testsuite/27_io/basic_filebuf/close/81256.cc: Moved to...
+       * testsuite/27_io/basic_filebuf/close/wchar_t/81256.cc: ...here.
+
+2021-10-08  Jonathan Wakely  <jwakely@redhat.com>
+
+       * testsuite/22_locale/conversions/buffer/1.cc: Check
+       _GLIBCXX_USE_WCHAR_T.
+       * testsuite/22_locale/conversions/buffer/3.cc: Likewise. Add
+       test using char16_t.
+       * testsuite/22_locale/conversions/string/1.cc: Check
+       _GLIBCXX_USE_WCHAR_T.
+       * testsuite/27_io/filesystem/path/generic/generic_string.cc:
+       Likewise.
+       * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
+       Likewise.
+       * testsuite/27_io/filesystem/path/native/alloc.cc: Likewise.
+       * testsuite/27_io/filesystem/path/native/string-char8_t.cc:
+       Likewise.
+       * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
+       * testsuite/28_regex/algorithms/regex_match/extended/wstring_locale.cc:
+       Likewise.
+       * testsuite/experimental/filesystem/path/generic/generic_string.cc:
+       Likewise.
+       * testsuite/experimental/filesystem/path/native/alloc.cc:
+       Likewise.
+       * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
+       Likewise.
+       * testsuite/experimental/filesystem/path/native/string.cc:
+       Likewise.
+
+2021-10-08  Jonathan Wakely  <jwakely@redhat.com>
+
+       * testsuite/26_numerics/bit/bit.rotate/rotr.cc:
+       * testsuite/util/testsuite_common_types.h:
+
+2021-10-08  Jonathan Wakely  <jwakely@redhat.com>
+
+       * testsuite/18_support/numeric_limits/40856.cc: Replace use of
+       _GLIBCXX_USE_INT128.
+       * testsuite/18_support/numeric_limits/dr559.cc: Likewise.
+       * testsuite/18_support/numeric_limits/lowest.cc: Likewise.
+       * testsuite/18_support/numeric_limits/max_digits10.cc: Likewise.
+       * testsuite/20_util/is_floating_point/value.cc: Likewise.
+       * testsuite/20_util/is_integral/value.cc: Likewise.
+       * testsuite/20_util/is_signed/value.cc: Likewise.
+       * testsuite/20_util/is_unsigned/value.cc: Likewise.
+       * testsuite/20_util/make_signed/requirements/typedefs-1.cc:
+       Likewise.
+       * testsuite/20_util/make_signed/requirements/typedefs-2.cc:
+       Likewise.
+       * testsuite/20_util/make_unsigned/requirements/typedefs-1.cc:
+       Likewise.
+       * testsuite/20_util/make_unsigned/requirements/typedefs-2.cc:
+       Likewise.
+       * testsuite/20_util/type_identity/requirements/typedefs.cc:
+       Likewise.
+       * testsuite/26_numerics/bit/bit.count/countl_one.cc: Likewise.
+       * testsuite/26_numerics/bit/bit.count/countl_zero.cc: Likewise.
+       * testsuite/26_numerics/bit/bit.count/countr_one.cc: Likewise.
+       * testsuite/26_numerics/bit/bit.count/countr_zero.cc: Likewise.
+       * testsuite/26_numerics/bit/bit.count/popcount.cc: Likewise.
+       * testsuite/26_numerics/bit/bit.pow.two/bit_ceil.cc: Likewise.
+       * testsuite/26_numerics/bit/bit.pow.two/bit_floor.cc: Likewise.
+       * testsuite/26_numerics/bit/bit.pow.two/bit_width.cc: Likewise.
+       * testsuite/26_numerics/bit/bit.pow.two/has_single_bit.cc:
+       Likewise.
+       * testsuite/26_numerics/bit/bit.rotate/rotl.cc: Likewise.
+
+2021-10-08  Jonathan Wakely  <jwakely@redhat.com>
+
+       * include/bits/hashtable_policy.h (_Select1st): Replace use of
+       std::get.
+       (_Select2nd): Remove.
+       (_NodeBuilder::_S_build): Use _NodeGenerator::__node_type
+       typedef instead of deducing it. Remove unnecessary piecewise
+       construction.
+       (_ReuseOrAllocNode): Make __node_type public.
+       (_Map_base): Adjust partial specialization to be able to extract
+       the mapped_type without using tuple_element.
+       (_Map_base::at): Define inline
+       * testsuite/23_containers/unordered_map/requirements/53339.cc:
+       Remove XFAIL.
+       * testsuite/23_containers/unordered_multimap/requirements/53339.cc:
+       Likewise.
+
+2021-10-08  Jonathan Wakely  <jwakely@redhat.com>
+
+       * include/bits/hashtable.h: Move static assertion to destructor.
+       * include/bits/hashtable_policy.h: Deduce value type from node
+       type without instantiating it.
+
+2021-10-08  Jonathan Wakely  <jwakely@redhat.com>
+
+       PR libstdc++/98725
+       * src/c++11/limits.cc: Fail if __cpp_inline_variables is
+       defined.
+
+2021-10-08  Jonathan Wakely  <jwakely@redhat.com>
+
+       PR libstdc++/92546
+       * include/bits/ranges_algobase.h: Replace <iterator> with a
+       subset of the headers it includes.
+
+2021-10-08  Jonathan Wakely  <jwakely@redhat.com>
+
+       * include/experimental/deque (erase, erase_if): Revert changes
+       to avoid debug mode overhead.
+       * include/experimental/map (erase, erase_if): Likewise.
+       * include/experimental/set (erase, erase_if): Likewise.
+       * include/experimental/unordered_map (erase, erase_if):
+       Likewise.
+       * include/experimental/unordered_set (erase, erase_if):
+       Likewise.
+       * include/experimental/vector (erase, erase_if): Likewise.
+       * include/std/deque (erase, erase_if): Likewise.
+       * include/std/map (erase, erase_if): Likewise.
+       * include/std/set (erase, erase_if): Likewise.
+       * include/std/unordered_map (erase, erase_if): Likewise.
+       * include/std/unordered_set (erase, erase_if): Likewise.
+       * include/std/vector (erase, erase_if): Likewise.
+
+2021-10-08  Jonathan Wakely  <jwakely@redhat.com>
+
+       * include/std/chrono (__detail::__units_suffix_misc): New
+       helper function.
+       (__detail::__units_suffix): Likewise.
+       (chrono::operator<<(basic_ostream&, const duration&)): Define.
+       * testsuite/20_util/duration/io.cc: New test.
+
 2021-10-07  Jonathan Wakely  <jwakely@redhat.com>
 
        * include/Makefile.am: Add new header.