--- /dev/null
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+// Test that we don't remove transitive includes of public C++ headers in the library accidentally.
+// When we remove a transitive public include, clients tend to break because they don't always
+// properly include what they use. Note that we don't check which system (C) headers are
+// included transitively, because that is too unstable across platforms, and hence difficult
+// to test for.
+//
+// This is not meant to block libc++ from removing unused transitive includes
+// forever, however we do try to group removals for a couple of releases
+// to avoid breaking users at every release.
+
+// This test doesn't support being run when some headers are not available, since we
+// would need to add significant complexity to make that work.
+// UNSUPPORTED: no-localization, no-threads, no-wide-characters, no-filesystem, libcpp-has-no-incomplete-format, libcpp-has-no-incomplete-ranges
+
+// This test only supports being run with the latest Standard, otherwise we'd
+// have to support various versions of the test.
+// UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
+
+// When built with modules, this test doesn't work because --trace-includes doesn't
+// report the stack of includes correctly.
+// UNSUPPORTED: modules-build
+
+// This test uses --trace-includes, which is not supported by GCC.
+// UNSUPPORTED: gcc
+
+// This test doesn't work on AIX or Windows, but it should. Needs investigation.
+// XFAIL: buildhost=aix6, buildhost=windows
+
+// Prevent <ext/hash_map> from generating deprecated warnings for this test.
+#if defined(__DEPRECATED)
+# undef __DEPRECATED
+#endif
+
+/*
+BEGIN-SCRIPT
+
+import re
+
+# To re-generate the list of expected headers, temporarily set this to True, re-generate
+# the file and run this test.
+regenerate_expected_results = False
+
+# Used because the sequence of tokens RUN : can't appear anywhere or it'll confuse Lit.
+RUN = "RUN"
+
+if regenerate_expected_results:
+ print(f"// {RUN}: rm -rf %S/transitive_includes")
+ print(f"// {RUN}: mkdir %S/transitive_includes")
+
+for i, header in enumerate(public_headers):
+ if header.endswith('.h'): # Skip C compatibility headers
+ continue
+
+ normalized_header = re.sub('/', '_', header)
+ trace_includes = "%{{cxx}} %s %{{flags}} %{{compile_flags}} --trace-includes -fsyntax-only -DTEST_{} 2>&1".format(i)
+ if regenerate_expected_results:
+ print(f"// {RUN}: {trace_includes} | %{{python}} %S/transitive_includes.sanitize.py > %S/transitive_includes/expected.{normalized_header}")
+ else:
+ print(f"// {RUN}: {trace_includes} | %{{python}} %S/transitive_includes.sanitize.py > %t.actual.{normalized_header}")
+ print(f"// {RUN}: diff %S/transitive_includes/expected.{normalized_header} %t.actual.{normalized_header}")
+
+ print("#if defined(TEST_{})".format(i))
+ print("#include <{}>".format(header))
+ print("#endif")
+
+END-SCRIPT
+*/
+
+// DO NOT MANUALLY EDIT ANYTHING BETWEEN THE MARKERS BELOW
+// GENERATED-MARKER
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_0 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.algorithm
+// RUN: diff %S/transitive_includes/expected.algorithm %t.actual.algorithm
+#if defined(TEST_0)
+#include <algorithm>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_1 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.any
+// RUN: diff %S/transitive_includes/expected.any %t.actual.any
+#if defined(TEST_1)
+#include <any>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_2 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.array
+// RUN: diff %S/transitive_includes/expected.array %t.actual.array
+#if defined(TEST_2)
+#include <array>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_3 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.atomic
+// RUN: diff %S/transitive_includes/expected.atomic %t.actual.atomic
+#if defined(TEST_3)
+#include <atomic>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_4 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.barrier
+// RUN: diff %S/transitive_includes/expected.barrier %t.actual.barrier
+#if defined(TEST_4)
+#include <barrier>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_5 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.bit
+// RUN: diff %S/transitive_includes/expected.bit %t.actual.bit
+#if defined(TEST_5)
+#include <bit>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_6 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.bitset
+// RUN: diff %S/transitive_includes/expected.bitset %t.actual.bitset
+#if defined(TEST_6)
+#include <bitset>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_7 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.cassert
+// RUN: diff %S/transitive_includes/expected.cassert %t.actual.cassert
+#if defined(TEST_7)
+#include <cassert>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_8 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.ccomplex
+// RUN: diff %S/transitive_includes/expected.ccomplex %t.actual.ccomplex
+#if defined(TEST_8)
+#include <ccomplex>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_9 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.cctype
+// RUN: diff %S/transitive_includes/expected.cctype %t.actual.cctype
+#if defined(TEST_9)
+#include <cctype>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_10 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.cerrno
+// RUN: diff %S/transitive_includes/expected.cerrno %t.actual.cerrno
+#if defined(TEST_10)
+#include <cerrno>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_11 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.cfenv
+// RUN: diff %S/transitive_includes/expected.cfenv %t.actual.cfenv
+#if defined(TEST_11)
+#include <cfenv>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_12 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.cfloat
+// RUN: diff %S/transitive_includes/expected.cfloat %t.actual.cfloat
+#if defined(TEST_12)
+#include <cfloat>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_13 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.charconv
+// RUN: diff %S/transitive_includes/expected.charconv %t.actual.charconv
+#if defined(TEST_13)
+#include <charconv>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_14 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.chrono
+// RUN: diff %S/transitive_includes/expected.chrono %t.actual.chrono
+#if defined(TEST_14)
+#include <chrono>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_15 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.cinttypes
+// RUN: diff %S/transitive_includes/expected.cinttypes %t.actual.cinttypes
+#if defined(TEST_15)
+#include <cinttypes>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_16 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.ciso646
+// RUN: diff %S/transitive_includes/expected.ciso646 %t.actual.ciso646
+#if defined(TEST_16)
+#include <ciso646>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_17 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.climits
+// RUN: diff %S/transitive_includes/expected.climits %t.actual.climits
+#if defined(TEST_17)
+#include <climits>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_18 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.clocale
+// RUN: diff %S/transitive_includes/expected.clocale %t.actual.clocale
+#if defined(TEST_18)
+#include <clocale>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_19 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.cmath
+// RUN: diff %S/transitive_includes/expected.cmath %t.actual.cmath
+#if defined(TEST_19)
+#include <cmath>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_20 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.codecvt
+// RUN: diff %S/transitive_includes/expected.codecvt %t.actual.codecvt
+#if defined(TEST_20)
+#include <codecvt>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_21 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.compare
+// RUN: diff %S/transitive_includes/expected.compare %t.actual.compare
+#if defined(TEST_21)
+#include <compare>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_22 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.complex
+// RUN: diff %S/transitive_includes/expected.complex %t.actual.complex
+#if defined(TEST_22)
+#include <complex>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_24 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.concepts
+// RUN: diff %S/transitive_includes/expected.concepts %t.actual.concepts
+#if defined(TEST_24)
+#include <concepts>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_25 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.condition_variable
+// RUN: diff %S/transitive_includes/expected.condition_variable %t.actual.condition_variable
+#if defined(TEST_25)
+#include <condition_variable>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_26 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.coroutine
+// RUN: diff %S/transitive_includes/expected.coroutine %t.actual.coroutine
+#if defined(TEST_26)
+#include <coroutine>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_27 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.csetjmp
+// RUN: diff %S/transitive_includes/expected.csetjmp %t.actual.csetjmp
+#if defined(TEST_27)
+#include <csetjmp>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_28 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.csignal
+// RUN: diff %S/transitive_includes/expected.csignal %t.actual.csignal
+#if defined(TEST_28)
+#include <csignal>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_29 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.cstdarg
+// RUN: diff %S/transitive_includes/expected.cstdarg %t.actual.cstdarg
+#if defined(TEST_29)
+#include <cstdarg>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_30 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.cstdbool
+// RUN: diff %S/transitive_includes/expected.cstdbool %t.actual.cstdbool
+#if defined(TEST_30)
+#include <cstdbool>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_31 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.cstddef
+// RUN: diff %S/transitive_includes/expected.cstddef %t.actual.cstddef
+#if defined(TEST_31)
+#include <cstddef>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_32 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.cstdint
+// RUN: diff %S/transitive_includes/expected.cstdint %t.actual.cstdint
+#if defined(TEST_32)
+#include <cstdint>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_33 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.cstdio
+// RUN: diff %S/transitive_includes/expected.cstdio %t.actual.cstdio
+#if defined(TEST_33)
+#include <cstdio>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_34 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.cstdlib
+// RUN: diff %S/transitive_includes/expected.cstdlib %t.actual.cstdlib
+#if defined(TEST_34)
+#include <cstdlib>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_35 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.cstring
+// RUN: diff %S/transitive_includes/expected.cstring %t.actual.cstring
+#if defined(TEST_35)
+#include <cstring>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_36 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.ctgmath
+// RUN: diff %S/transitive_includes/expected.ctgmath %t.actual.ctgmath
+#if defined(TEST_36)
+#include <ctgmath>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_37 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.ctime
+// RUN: diff %S/transitive_includes/expected.ctime %t.actual.ctime
+#if defined(TEST_37)
+#include <ctime>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_39 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.cuchar
+// RUN: diff %S/transitive_includes/expected.cuchar %t.actual.cuchar
+#if defined(TEST_39)
+#include <cuchar>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_40 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.cwchar
+// RUN: diff %S/transitive_includes/expected.cwchar %t.actual.cwchar
+#if defined(TEST_40)
+#include <cwchar>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_41 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.cwctype
+// RUN: diff %S/transitive_includes/expected.cwctype %t.actual.cwctype
+#if defined(TEST_41)
+#include <cwctype>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_42 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.deque
+// RUN: diff %S/transitive_includes/expected.deque %t.actual.deque
+#if defined(TEST_42)
+#include <deque>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_44 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.exception
+// RUN: diff %S/transitive_includes/expected.exception %t.actual.exception
+#if defined(TEST_44)
+#include <exception>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_45 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.execution
+// RUN: diff %S/transitive_includes/expected.execution %t.actual.execution
+#if defined(TEST_45)
+#include <execution>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_47 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.filesystem
+// RUN: diff %S/transitive_includes/expected.filesystem %t.actual.filesystem
+#if defined(TEST_47)
+#include <filesystem>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_49 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.format
+// RUN: diff %S/transitive_includes/expected.format %t.actual.format
+#if defined(TEST_49)
+#include <format>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_50 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.forward_list
+// RUN: diff %S/transitive_includes/expected.forward_list %t.actual.forward_list
+#if defined(TEST_50)
+#include <forward_list>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_51 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.fstream
+// RUN: diff %S/transitive_includes/expected.fstream %t.actual.fstream
+#if defined(TEST_51)
+#include <fstream>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_52 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.functional
+// RUN: diff %S/transitive_includes/expected.functional %t.actual.functional
+#if defined(TEST_52)
+#include <functional>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_53 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.future
+// RUN: diff %S/transitive_includes/expected.future %t.actual.future
+#if defined(TEST_53)
+#include <future>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_54 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.initializer_list
+// RUN: diff %S/transitive_includes/expected.initializer_list %t.actual.initializer_list
+#if defined(TEST_54)
+#include <initializer_list>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_56 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.iomanip
+// RUN: diff %S/transitive_includes/expected.iomanip %t.actual.iomanip
+#if defined(TEST_56)
+#include <iomanip>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_57 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.ios
+// RUN: diff %S/transitive_includes/expected.ios %t.actual.ios
+#if defined(TEST_57)
+#include <ios>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_58 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.iosfwd
+// RUN: diff %S/transitive_includes/expected.iosfwd %t.actual.iosfwd
+#if defined(TEST_58)
+#include <iosfwd>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_59 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.iostream
+// RUN: diff %S/transitive_includes/expected.iostream %t.actual.iostream
+#if defined(TEST_59)
+#include <iostream>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_60 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.istream
+// RUN: diff %S/transitive_includes/expected.istream %t.actual.istream
+#if defined(TEST_60)
+#include <istream>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_61 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.iterator
+// RUN: diff %S/transitive_includes/expected.iterator %t.actual.iterator
+#if defined(TEST_61)
+#include <iterator>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_62 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.latch
+// RUN: diff %S/transitive_includes/expected.latch %t.actual.latch
+#if defined(TEST_62)
+#include <latch>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_63 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.limits
+// RUN: diff %S/transitive_includes/expected.limits %t.actual.limits
+#if defined(TEST_63)
+#include <limits>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_65 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.list
+// RUN: diff %S/transitive_includes/expected.list %t.actual.list
+#if defined(TEST_65)
+#include <list>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_66 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.locale
+// RUN: diff %S/transitive_includes/expected.locale %t.actual.locale
+#if defined(TEST_66)
+#include <locale>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_68 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.map
+// RUN: diff %S/transitive_includes/expected.map %t.actual.map
+#if defined(TEST_68)
+#include <map>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_70 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.memory
+// RUN: diff %S/transitive_includes/expected.memory %t.actual.memory
+#if defined(TEST_70)
+#include <memory>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_71 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.mutex
+// RUN: diff %S/transitive_includes/expected.mutex %t.actual.mutex
+#if defined(TEST_71)
+#include <mutex>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_72 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.new
+// RUN: diff %S/transitive_includes/expected.new %t.actual.new
+#if defined(TEST_72)
+#include <new>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_73 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.numbers
+// RUN: diff %S/transitive_includes/expected.numbers %t.actual.numbers
+#if defined(TEST_73)
+#include <numbers>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_74 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.numeric
+// RUN: diff %S/transitive_includes/expected.numeric %t.actual.numeric
+#if defined(TEST_74)
+#include <numeric>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_75 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.optional
+// RUN: diff %S/transitive_includes/expected.optional %t.actual.optional
+#if defined(TEST_75)
+#include <optional>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_76 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.ostream
+// RUN: diff %S/transitive_includes/expected.ostream %t.actual.ostream
+#if defined(TEST_76)
+#include <ostream>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_77 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.queue
+// RUN: diff %S/transitive_includes/expected.queue %t.actual.queue
+#if defined(TEST_77)
+#include <queue>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_78 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.random
+// RUN: diff %S/transitive_includes/expected.random %t.actual.random
+#if defined(TEST_78)
+#include <random>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_79 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.ranges
+// RUN: diff %S/transitive_includes/expected.ranges %t.actual.ranges
+#if defined(TEST_79)
+#include <ranges>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_80 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.ratio
+// RUN: diff %S/transitive_includes/expected.ratio %t.actual.ratio
+#if defined(TEST_80)
+#include <ratio>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_81 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.regex
+// RUN: diff %S/transitive_includes/expected.regex %t.actual.regex
+#if defined(TEST_81)
+#include <regex>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_82 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.scoped_allocator
+// RUN: diff %S/transitive_includes/expected.scoped_allocator %t.actual.scoped_allocator
+#if defined(TEST_82)
+#include <scoped_allocator>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_83 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.semaphore
+// RUN: diff %S/transitive_includes/expected.semaphore %t.actual.semaphore
+#if defined(TEST_83)
+#include <semaphore>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_84 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.set
+// RUN: diff %S/transitive_includes/expected.set %t.actual.set
+#if defined(TEST_84)
+#include <set>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_86 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.shared_mutex
+// RUN: diff %S/transitive_includes/expected.shared_mutex %t.actual.shared_mutex
+#if defined(TEST_86)
+#include <shared_mutex>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_87 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.span
+// RUN: diff %S/transitive_includes/expected.span %t.actual.span
+#if defined(TEST_87)
+#include <span>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_88 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.sstream
+// RUN: diff %S/transitive_includes/expected.sstream %t.actual.sstream
+#if defined(TEST_88)
+#include <sstream>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_89 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.stack
+// RUN: diff %S/transitive_includes/expected.stack %t.actual.stack
+#if defined(TEST_89)
+#include <stack>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_93 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.stdexcept
+// RUN: diff %S/transitive_includes/expected.stdexcept %t.actual.stdexcept
+#if defined(TEST_93)
+#include <stdexcept>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_97 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.streambuf
+// RUN: diff %S/transitive_includes/expected.streambuf %t.actual.streambuf
+#if defined(TEST_97)
+#include <streambuf>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_98 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.string
+// RUN: diff %S/transitive_includes/expected.string %t.actual.string
+#if defined(TEST_98)
+#include <string>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_100 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.string_view
+// RUN: diff %S/transitive_includes/expected.string_view %t.actual.string_view
+#if defined(TEST_100)
+#include <string_view>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_101 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.strstream
+// RUN: diff %S/transitive_includes/expected.strstream %t.actual.strstream
+#if defined(TEST_101)
+#include <strstream>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_102 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.system_error
+// RUN: diff %S/transitive_includes/expected.system_error %t.actual.system_error
+#if defined(TEST_102)
+#include <system_error>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_104 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.thread
+// RUN: diff %S/transitive_includes/expected.thread %t.actual.thread
+#if defined(TEST_104)
+#include <thread>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_105 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.tuple
+// RUN: diff %S/transitive_includes/expected.tuple %t.actual.tuple
+#if defined(TEST_105)
+#include <tuple>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_106 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.type_traits
+// RUN: diff %S/transitive_includes/expected.type_traits %t.actual.type_traits
+#if defined(TEST_106)
+#include <type_traits>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_107 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.typeindex
+// RUN: diff %S/transitive_includes/expected.typeindex %t.actual.typeindex
+#if defined(TEST_107)
+#include <typeindex>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_108 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.typeinfo
+// RUN: diff %S/transitive_includes/expected.typeinfo %t.actual.typeinfo
+#if defined(TEST_108)
+#include <typeinfo>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_110 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.unordered_map
+// RUN: diff %S/transitive_includes/expected.unordered_map %t.actual.unordered_map
+#if defined(TEST_110)
+#include <unordered_map>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_111 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.unordered_set
+// RUN: diff %S/transitive_includes/expected.unordered_set %t.actual.unordered_set
+#if defined(TEST_111)
+#include <unordered_set>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_112 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.utility
+// RUN: diff %S/transitive_includes/expected.utility %t.actual.utility
+#if defined(TEST_112)
+#include <utility>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_113 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.valarray
+// RUN: diff %S/transitive_includes/expected.valarray %t.actual.valarray
+#if defined(TEST_113)
+#include <valarray>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_114 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.variant
+// RUN: diff %S/transitive_includes/expected.variant %t.actual.variant
+#if defined(TEST_114)
+#include <variant>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_115 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.vector
+// RUN: diff %S/transitive_includes/expected.vector %t.actual.vector
+#if defined(TEST_115)
+#include <vector>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_116 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.version
+// RUN: diff %S/transitive_includes/expected.version %t.actual.version
+#if defined(TEST_116)
+#include <version>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_119 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.experimental_algorithm
+// RUN: diff %S/transitive_includes/expected.experimental_algorithm %t.actual.experimental_algorithm
+#if defined(TEST_119)
+#include <experimental/algorithm>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_120 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.experimental_coroutine
+// RUN: diff %S/transitive_includes/expected.experimental_coroutine %t.actual.experimental_coroutine
+#if defined(TEST_120)
+#include <experimental/coroutine>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_121 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.experimental_deque
+// RUN: diff %S/transitive_includes/expected.experimental_deque %t.actual.experimental_deque
+#if defined(TEST_121)
+#include <experimental/deque>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_122 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.experimental_forward_list
+// RUN: diff %S/transitive_includes/expected.experimental_forward_list %t.actual.experimental_forward_list
+#if defined(TEST_122)
+#include <experimental/forward_list>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_123 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.experimental_functional
+// RUN: diff %S/transitive_includes/expected.experimental_functional %t.actual.experimental_functional
+#if defined(TEST_123)
+#include <experimental/functional>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_124 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.experimental_iterator
+// RUN: diff %S/transitive_includes/expected.experimental_iterator %t.actual.experimental_iterator
+#if defined(TEST_124)
+#include <experimental/iterator>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_125 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.experimental_list
+// RUN: diff %S/transitive_includes/expected.experimental_list %t.actual.experimental_list
+#if defined(TEST_125)
+#include <experimental/list>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_126 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.experimental_map
+// RUN: diff %S/transitive_includes/expected.experimental_map %t.actual.experimental_map
+#if defined(TEST_126)
+#include <experimental/map>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_127 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.experimental_memory_resource
+// RUN: diff %S/transitive_includes/expected.experimental_memory_resource %t.actual.experimental_memory_resource
+#if defined(TEST_127)
+#include <experimental/memory_resource>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_128 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.experimental_propagate_const
+// RUN: diff %S/transitive_includes/expected.experimental_propagate_const %t.actual.experimental_propagate_const
+#if defined(TEST_128)
+#include <experimental/propagate_const>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_129 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.experimental_regex
+// RUN: diff %S/transitive_includes/expected.experimental_regex %t.actual.experimental_regex
+#if defined(TEST_129)
+#include <experimental/regex>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_130 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.experimental_set
+// RUN: diff %S/transitive_includes/expected.experimental_set %t.actual.experimental_set
+#if defined(TEST_130)
+#include <experimental/set>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_131 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.experimental_simd
+// RUN: diff %S/transitive_includes/expected.experimental_simd %t.actual.experimental_simd
+#if defined(TEST_131)
+#include <experimental/simd>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_132 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.experimental_string
+// RUN: diff %S/transitive_includes/expected.experimental_string %t.actual.experimental_string
+#if defined(TEST_132)
+#include <experimental/string>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_133 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.experimental_type_traits
+// RUN: diff %S/transitive_includes/expected.experimental_type_traits %t.actual.experimental_type_traits
+#if defined(TEST_133)
+#include <experimental/type_traits>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_134 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.experimental_unordered_map
+// RUN: diff %S/transitive_includes/expected.experimental_unordered_map %t.actual.experimental_unordered_map
+#if defined(TEST_134)
+#include <experimental/unordered_map>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_135 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.experimental_unordered_set
+// RUN: diff %S/transitive_includes/expected.experimental_unordered_set %t.actual.experimental_unordered_set
+#if defined(TEST_135)
+#include <experimental/unordered_set>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_136 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.experimental_utility
+// RUN: diff %S/transitive_includes/expected.experimental_utility %t.actual.experimental_utility
+#if defined(TEST_136)
+#include <experimental/utility>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_137 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.experimental_vector
+// RUN: diff %S/transitive_includes/expected.experimental_vector %t.actual.experimental_vector
+#if defined(TEST_137)
+#include <experimental/vector>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_138 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.ext_hash_map
+// RUN: diff %S/transitive_includes/expected.ext_hash_map %t.actual.ext_hash_map
+#if defined(TEST_138)
+#include <ext/hash_map>
+#endif
+// RUN: %{cxx} %s %{flags} %{compile_flags} --trace-includes -fsyntax-only -DTEST_139 2>&1 | %{python} %S/transitive_includes.sanitize.py > %t.actual.ext_hash_set
+// RUN: diff %S/transitive_includes/expected.ext_hash_set %t.actual.ext_hash_set
+#if defined(TEST_139)
+#include <ext/hash_set>
+#endif
+// GENERATED-MARKER