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Jonathan Wakely 478490f681 PR libstdc++/86963 Implement LWG 2729 constraints on tuple assignment 
PR libstdc++/86963
	* include/std/tuple (__tuple_base): New class template with deleted
	copy assignment operator.
	(tuple, tuple<_T1, _T2>): Derive from __tuple_base<tuple> so that
	implicit copy/move assignment operator will be deleted/suppressed.
	(tuple::__assignable, tuple<_T1, _T2>::__assignable): New helper
	functions for SFINAE constraints on assignment operators.
	(tuple::__nothrow_assignable, tuple<_T1, _T2>::__nothrow_assignable):
	New helper functions for exception specifications.
	(tuple::operator=(const tuple&), tuple::operator=(tuple&&))
	(tuple<_T1, _T2>::operator=(const tuple&))
	(tuple<_T1, _T2>::operator=(tuple&&)): Change parameter types to
	__nonesuch_no_braces when the operator should be defined implicitly.
	Use __nothrow_assignable for exception specifications.
	(tuple::operator=(const tuple<_UElements...>&))
	(tuple::operator=(tuple<_UElements...>&&))
	(tuple<_T1, _T2>::operator=(const tuple<_U1, _U2>&))
	(tuple<_T1, _T2>::operator=(tuple<_U1, _U2>&&))
	(tuple<_T1, _T2>::operator=(const pair<_U1, _U2>&))
	(tuple<_T1, _T2>::operator=(pair<_U1, _U2>&&)): Constrain using
	__assignable and use __nothrow_assignable for exception
	specifications.
	* python/libstdcxx/v6/printers.py (is_specialization_of): Accept
	gdb.Type as first argument, instead of a string.
	(StdTuplePrinter._iterator._is_nonempty_tuple): New method to check
	tuple for expected structure.
	(StdTuplePrinter._iterator.__init__): Use _is_nonempty_tuple.
	* testsuite/20_util/tuple/dr2729.cc: New test.
	* testsuite/20_util/tuple/element_access/get_neg.cc: Change dg-error
	to dg-prune-output.

From-SVN: r263625
2018-08-17 18:52:49 +01:00
..
config PR libstdc++/85343 overload __throw_ios_failure to take errno 2018-08-14 13:09:57 +01:00
doc PR libstdc++/85343 overload __throw_ios_failure to take errno 2018-08-14 13:09:57 +01:00
include PR libstdc++/86963 Implement LWG 2729 constraints on tuple assignment 2018-08-17 18:52:49 +01:00
libsupc++ Minor optimisations in operator new(size_t, align_val_t) 2018-08-13 19:54:38 +01:00
po PR libstdc++/86450 use -Wabi=2 and simplify -Werror use 2018-07-17 14:18:47 +01:00
python PR libstdc++/86963 Implement LWG 2729 constraints on tuple assignment 2018-08-17 18:52:49 +01:00
scripts * scripts/create_testsuite_files: Fix typo in comment. 2018-07-16 18:42:20 +01:00
src Fix bootstrap with --enable-fully-dynamic-string 2018-08-16 16:56:21 +01:00
testsuite PR libstdc++/86963 Implement LWG 2729 constraints on tuple assignment 2018-08-17 18:52:49 +01:00
acinclude.m4 Add new src/c++17 directory to list in acinclude.m4 2018-07-25 12:01:39 +01:00
aclocal.m4
ChangeLog PR libstdc++/86963 Implement LWG 2729 constraints on tuple assignment 2018-08-17 18:52:49 +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 Revert "libstdc++-v3: Have aligned_alloc() on Newlib" 2018-08-13 19:54:21 +01:00
configure.ac Revert "libstdc++-v3: Have aligned_alloc() on Newlib" 2018-08-13 19:54:21 +01:00
configure.host Separate Solaris/SPARC and x86 baselines 2017-02-02 16:24:03 +00:00
crossconfig.m4 crossconfig.m4: Handle OpenBSD just like NetBSD. 2018-06-18 11:28:53 -06:00
fragment.am PR libstdc++/86450 use -Wabi=2 and simplify -Werror use 2018-07-17 14:18:47 +01:00
linkage.m4
Makefile.am Update copyright years. 2018-01-03 11:03:58 +01:00
Makefile.in PR libstdc++/86450 use -Wabi=2 and simplify -Werror use 2018-07-17 14:18:47 +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.