r237143 - in /trunk/libstdc++-v3: ChangeLog inc...

[ville@gcc.gnu.org]

Author: ville
Date: Mon Jun  6 16:28:59 2016
New Revision: 237143

URL: https://gcc.gnu.org/viewcvs?rev=237143&root=gcc&view=rev
Log:
	Support allocators in tuples of zero size.
	* include/std/tuple (tuple<>::tuple(),
	tuple<>::tuple(allocator_arg_t, const _Alloc&),
	tuple<>::tuple(allocator_arg_t, const _Alloc&, const tuple&)): New.
	* testsuite/20_util/tuple/cons/allocators.cc: Adjust.

Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/std/tuple
    trunk/libstdc++-v3/testsuite/20_util/tuple/cons/allocators.cc