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gcc/libstdc++-v3
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Jonathan Wakely 476f305b6c libstdc++: Add missing constexpr to std::optional (P2231R1) 
This implements the changes in P2231R1 which make std::optional fully
constexpr in C++20.

libstdc++-v3/ChangeLog:

	* include/bits/stl_construct.h (_Construct): Use
	std::construct_at when constant evaluated.
	* include/std/optional (_Storage, _Optional_payload, optional):
	Add constexpr as specified by P2231R1.
	* include/std/version (__cpp_lib_optional): Update value for
	C++20.
	* testsuite/20_util/optional/requirements.cc: Check feature test
	macro.
	* testsuite/20_util/optional/constexpr/assign.cc: New test.
	* testsuite/20_util/optional/constexpr/cons/conv.cc: New test.
	* testsuite/20_util/optional/constexpr/modifiers.cc: New test.
	* testsuite/20_util/optional/constexpr/swap.cc: New test.
	* testsuite/20_util/optional/version.cc: New test.
2021-10-14 09:08:01 +01:00
..
config aix: Protect AIX math.h overloads with new macro. 2021-07-22 11:30:34 -04:00
doc libstdc++: Update documentation that only refers to c++98 and c++11 2021-09-16 23:06:38 +01:00
include libstdc++: Add missing constexpr to std::optional (P2231R1) 2021-10-14 09:08:01 +01:00
libsupc++ libstdc++: Add wrapper for internal uses of std::terminate 2021-10-11 20:35:51 +01:00
po Update copyright years. 2021-01-04 10:26:59 +01:00
python libstdc++: Fix vector<bool> printer tests to work in debug mode 2021-08-18 14:26:38 +01:00
scripts libstdc++: Allow lualatex to be used for Doxygen PDF 2021-05-17 12:13:41 +01:00
src libstdc++: Detect miscompilation of src/c++11/limits.cc 2021-10-08 15:51:08 +01:00
testsuite libstdc++: Add missing constexpr to std::optional (P2231R1) 2021-10-14 09:08:01 +01:00
acinclude.m4 ctype support for libstdc++ on VxWorks 2021-05-04 21:49:43 -03:00
aclocal.m4 Add `--with-toolexeclibdir=' configuration option 2020-01-24 11:24:25 +00:00
ChangeLog Daily bump. 2021-10-14 00:16:31 +00:00
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ChangeLog-2019 libstdc++: Fix whitespace in ChangeLog-2019 2020-01-09 21:31:35 +00:00
ChangeLog-2020 libstdc++: Fix typo in ChangeLog-2020 2021-01-13 11:02:13 +00:00
config.h.in libstdc++: Use secure_getenv for filesystem::temp_directory_path() [PR65018] 2021-07-30 18:12:39 +01:00
configure libstdc++: Check for TLS support on mingw cross-compilers 2021-09-15 09:49:33 +01:00
configure.ac libstdc++: Fix broken autoconf check for O_NONBLOCK 2021-08-31 17:38:27 +01:00
configure.host Scope libstdc++ configuration for vxworks to all versions 2020-10-22 16:40:57 +00:00
crossconfig.m4 libstdc++: Check for TLS support on mingw cross-compilers 2021-09-15 09:49:33 +01:00
fragment.am libstdc++: Add C++ runtime support for new 128-bit long double format 2020-12-16 23:25:01 +00:00
linkage.m4
Makefile.am Update copyright years. 2021-01-04 10:26:59 +01:00
Makefile.in libstdc++: Add C++ runtime support for new 128-bit long double format 2020-12-16 23:25:01 +00:00
README

README 

file: libstdc++-v3/README

New users may wish to point their web browsers to the file
index.html in the 'doc/html' subdirectory.  It contains brief
building instructions and notes on how to configure the library in
interesting ways.