r243795 - in /trunk/libstdc++-v3: ChangeLog inc...

[ville@gcc.gnu.org]

Author: ville
Date: Mon Dec 19 12:55:33 2016
New Revision: 243795

URL: https://gcc.gnu.org/viewcvs?rev=243795&root=gcc&view=rev
Log:
Make the perfect-forwarding constructor of a two-element tuple
sfinae away when the first argument is an allocator_arg.
* include/std/tuple (tuple(_U1&&, _U2&&)): Constrain.
* testsuite/20_util/tuple/cons/allocator_with_any.cc: New.
* testsuite/20_util/tuple/element_access/get_neg.cc: Adjust.

Added:
    trunk/libstdc++-v3/testsuite/20_util/tuple/cons/allocator_with_any.cc
Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/std/tuple
    trunk/libstdc++-v3/testsuite/20_util/tuple/element_access/get_neg.cc