Jonathan Wakely 0d67cd380d Define __type_identity_t alias and use for string_view ... This defines the equivalent of C++2a's std::type_identity_t alias but for use in C++11 and later. This can be used to replace __detail::__idt in the string_view headers, which previously used common_type_t because the one argument specialization of common_type_t was simply the identity transform (which is no longer true). * include/experimental/string_view (__detail::__idt): Remove. (operator==, operator!=, operator<, operator>, operator<=, operator>=): Use __type_identity_t instead of __detail::__idt; * include/std/string_view (__detail::__idt): Remove. (operator==, operator!=, operator<, operator>, operator<=, operator>=): Use __type_identity_t instead of __detail::__idt; * include/std/type_traits (__type_identity_t): New alias template. From-SVN: r273442		2019-07-12 12:43:22 +01:00
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backward	Remove using-declarations that add std names to __gnu_cxx	2019-05-31 11:35:07 +01:00
bits	Define std::atomic_ref and std::atomic<floating-point> for C++20	2019-07-11 20:43:25 +01:00
c	Update copyright years.	2019-01-01 13:31:55 +01:00
c_compatibility	In C++17 <math.h> should not put special functions in global namespace	2019-03-21 14:03:56 +00:00
c_global	Avoid undefined behaviour in std::byte operators (LWG 2950)	2019-06-18 12:39:43 +01:00
c_std	Update copyright years.	2019-01-01 13:31:55 +01:00
debug	PR libstdc++/87431 re-adjust never-valueless optimizations	2019-04-05 17:56:09 +01:00
decimal	Update copyright years.	2019-01-01 13:31:55 +01:00
experimental	Define __type_identity_t alias and use for string_view	2019-07-12 12:43:22 +01:00
ext	Fix recent regression in __atomic_add_dispatch	2019-07-06 22:16:38 +01:00
parallel	Fix markup for Parallel Mode docs	2019-05-02 16:44:51 +01:00
precompiled	Remove array_allocator extension, deprecated since 4.9.0	2019-05-13 11:49:58 +01:00
pstl	pstl_config.h (_PSTL_PRAGMA_SIMD_SCAN, [...]): Define to OpenMP 5.0 pragmas even for GCC 10.0+.	2019-06-25 08:59:12 +02:00
std	Define __type_identity_t alias and use for string_view	2019-07-12 12:43:22 +01:00
tr1	Improve API docs for mathematical special functions	2019-05-02 16:44:59 +01:00
tr2	Fix after P0600.	2019-01-21 11:47:30 +00:00
Makefile.am	Replace std::to_string for integers with optimized version	2019-06-12 15:52:02 +01:00
Makefile.in	Replace std::to_string for integers with optimized version	2019-06-12 15:52:02 +01:00