libstdc++: Fixes for feature test macros (PR 91480)
authorJonathan Wakely <jwakely@redhat.com>
Tue, 28 Apr 2020 22:31:04 +0000 (23:31 +0100)
committerJonathan Wakely <jwakely@redhat.com>
Tue, 28 Apr 2020 22:40:18 +0000 (23:40 +0100)
commitd0330a03606d06dc4084e9c8734a549d22676463
tree427f857bee627a4c7d6dcf3cef354afbf1e281b5
parent162c40a4c127cc55d701bb8760e17708d0ca2fe0
libstdc++: Fixes for feature test macros (PR 91480)

Remove the non-standard __cpp_lib_allocator_is_always_equal macro and
add the missing macros for P1032R1.

PR libstdc++/91480
* include/bits/allocator.h (__cpp_lib_allocator_is_always_equal):
Remove non-standard macro.
* include/bits/stl_iterator.h (__cpp_lib_constexpr_iterator): Define
to indicate P1032R1 support.
* include/bits/stl_pair.h (__cpp_lib_constexpr_utility): Likewise.
* include/std/string_view (__cpp_lib_constexpr_string_view): Likewise.
* include/std/tuple (__cpp_lib_constexpr_tuple): Likewise.
* include/std/version (__cpp_lib_allocator_is_always_equal): Remove.
(__cpp_lib_constexpr_iterator, __cpp_lib_constexpr_string_view)
(__cpp_lib_constexpr_tuple, __cpp_lib_constexpr_utility): Define.
* testsuite/20_util/function_objects/constexpr_searcher.cc: Check
feature test macro.
* testsuite/20_util/tuple/cons/constexpr_allocator_arg_t.cc: Likewise.
* testsuite/21_strings/basic_string_view/operations/copy/char/
constexpr.cc: Likewise.
* testsuite/24_iterators/insert_iterator/constexpr.cc: Likewise.
libstdc++-v3/ChangeLog
libstdc++-v3/include/bits/allocator.h
libstdc++-v3/include/bits/stl_iterator.h
libstdc++-v3/include/bits/stl_pair.h
libstdc++-v3/include/std/string_view
libstdc++-v3/include/std/tuple
libstdc++-v3/include/std/version
libstdc++-v3/testsuite/20_util/function_objects/constexpr_searcher.cc
libstdc++-v3/testsuite/20_util/tuple/cons/constexpr_allocator_arg_t.cc
libstdc++-v3/testsuite/21_strings/basic_string_view/operations/copy/char/constexpr.cc
libstdc++-v3/testsuite/24_iterators/insert_iterator/constexpr.cc