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Jonathan Wakely 8df27fcb91 P0758R1 Implicit conversion traits 
Extend __is_convertible_helper to also detect whether the conversion is
non-throwing, for std::is_nothrow_convertible in C++2a,

	* include/std/type_traits [__cplusplus > 201703]
	(__is_convertible_helper::__is_nothrow_type): Define new member.
	(__is_convertible_helper<_From, _To, false>::__test_aux1): Add
	noexcept.
	(__is_convertible_helper<_From, _To, false>::__test_nothrow)
	(__is_convertible_helper<_From, _To, false>::__is_nothrow_type): Add
	new members.
	(is_nothrow_convertible, is_nothrow_convertible_v): Define for C++2a.
	* testsuite/20_util/is_nothrow_convertible/value.cc: New.
	* testsuite/20_util/is_nothrow_convertible/requirements/
	explicit_instantiation.cc: New.
	* testsuite/20_util/is_nothrow_convertible/requirements/typedefs.cc:
	New.

From-SVN: r262322
2018-07-02 23:09:25 +01:00
..
config Update powerpc64-linux-gnu/baseline_symbols.txt 2018-06-25 21:36:51 +01:00
doc * doc/xml/manual/status_cxx2017.xml: Document N4531 status. 2018-06-25 17:42:28 +01:00
include P0758R1 Implicit conversion traits 2018-07-02 23:09:25 +01:00
libsupc++ Some libstdc++ fixes for -Wdeprecated-copy. 2018-05-18 16:02:14 -04:00
po Update copyright years. 2018-01-03 11:03:58 +01:00
python PR libstdc++/86112 fix printers for Python 2.6 2018-06-25 22:03:49 +01:00
scripts Update copyright years. 2018-01-03 11:03:58 +01:00
src PR libstdc++/83328 add correct basic_string::insert for initializer_list 2018-06-21 23:01:25 +01:00
testsuite P0758R1 Implicit conversion traits 2018-07-02 23:09:25 +01:00
acinclude.m4 PR libstdc++/83328 add correct basic_string::insert for initializer_list 2018-06-21 23:01:25 +01:00
aclocal.m4
ChangeLog P0758R1 Implicit conversion traits 2018-07-02 23:09:25 +01:00
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ChangeLog-2017 Update copyright years. 2018-01-03 11:03:58 +01:00
config.h.in Fix bootstrap failure for bare metal due to autoconf link tests 2018-06-18 17:01:24 +01:00
configure PR libstdc++/83328 add correct basic_string::insert for initializer_list 2018-06-21 23:01:25 +01:00
configure.ac Fix bootstrap failure for bare metal due to autoconf link tests 2018-06-18 17:01:24 +01:00
configure.host
crossconfig.m4 crossconfig.m4: Handle OpenBSD just like NetBSD. 2018-06-18 11:28:53 -06:00
fragment.am
linkage.m4
Makefile.am Update copyright years. 2018-01-03 11:03:58 +01:00
Makefile.in Enable building libstdc++-v3 with Intel CET 2017-11-17 22:28:10 +01:00
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.