mirrors/gcc
0
0
Fork 0
mirror of https://gcc.gnu.org/git/gcc.git synced 2024-12-19 00:55:13 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity
6afa1083c6
gcc/libstdc++-v3
History
Jonathan Wakely 6afa1083c6 libstdc++: Set active member of union in std::string [PR103295] 
Clang diagnoses that the new constexpr std::string constructors are not
usable in constant expressions, because they start to write to members
of the union without setting an active member.

This adds a new helper function which returns the address of the local
buffer after making it the active member.

This doesn't fix all problems with Clang, because it still refuses to
write to memory returned by the allocator.

libstdc++-v3/ChangeLog:

	PR libstdc++/103295
	* include/bits/basic_string.h (_M_use_local_data()): New
	member function to make local buffer the active member.
	(assign(const basic_string&)): Use it.
	* include/bits/basic_string.tcc (_M_construct, reserve()):
	Likewise.
2021-11-17 17:21:25 +00:00
..
config libstdc++: Print assertion messages to stderr [PR59675] 2021-11-12 12:23:10 +00:00
doc libstdc++: Deprecate std::unexpected and handler functions 2021-11-04 20:53:29 +00:00
include libstdc++: Set active member of union in std::string [PR103295] 2021-11-17 17:21:25 +00:00
libsupc++ libstdc++: Fix std::type_info::before for ARM [PR103240] 2021-11-17 17:21:24 +00:00
po Update copyright years. 2021-01-04 10:26:59 +01:00
python libstdc++: Fix pretty printing of std::unique_ptr [PR103086] 2021-11-04 22:50:02 +00:00
scripts libstdc++: Improve generated man pages for libstdc++ 2021-10-21 22:24:57 +01:00
src libstdc++: Merge latest Ryu sources 2021-11-16 12:23:27 -05:00
testsuite libstdc++: Fix std::type_info::before for ARM [PR103240] 2021-11-17 17:21:24 +00:00
acinclude.m4 libstdc++: Use GCC_TRY_COMPILE_OR_LINK for getentropy, arc4random 2021-11-13 01:45:06 +01:00
aclocal.m4
ChangeLog Daily bump. 2021-11-17 00:16:29 +00:00
ChangeLog-1998
ChangeLog-1999
ChangeLog-2000
ChangeLog-2001
ChangeLog-2002
ChangeLog-2003
ChangeLog-2004
ChangeLog-2005
ChangeLog-2006
ChangeLog-2007
ChangeLog-2008
ChangeLog-2009
ChangeLog-2010
ChangeLog-2011
ChangeLog-2012
ChangeLog-2013
ChangeLog-2014
ChangeLog-2015
ChangeLog-2016
ChangeLog-2017
ChangeLog-2018
ChangeLog-2019
ChangeLog-2020 libstdc++: Fix typo in ChangeLog-2020 2021-01-13 11:02:13 +00:00
config.h.in libstdc++: Support getentropy and arc4random in std::random_device 2021-11-09 14:40:33 +00:00
configure libstdc++: Use GCC_TRY_COMPILE_OR_LINK for getentropy, arc4random 2021-11-13 01:45:06 +01:00
configure.ac libstdc++: Support getentropy and arc4random in std::random_device 2021-11-09 14:40:33 +00:00
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.