r271814 - in /trunk/libstdc++-v3: ChangeLog inc...

[redi@gcc.gnu.org]

Author: redi
Date: Fri May 31 14:58:05 2019
New Revision: 271814

URL: https://gcc.gnu.org/viewcvs?rev=271814&root=gcc&view=rev
Log:
Add noexcept to tuple<> and simplify tuple<T1,T2> noexcept-specifiers

	* include/std/tuple (tuple<>): Add noexcept to allocator-extended
	constructors.
	(tuple<T1, T2>::__nothrow_default_constructible()): New helper
	function.
	(tuple<T1, T2>::tuple(), explicit tuple<T1, T2>::tuple()): Use helper.

Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/std/tuple