r236025 - in /trunk/libstdc++-v3: ChangeLog inc...

[ville@gcc.gnu.org]

Author: ville
Date: Mon May  9 11:03:36 2016
New Revision: 236025

URL: https://gcc.gnu.org/viewcvs?rev=236025&root=gcc&view=rev
Log:
	Avoid endless run-time recursion for copying single-element
	tuples where the element type is by-value constructible
	from any type.
 	* include/std/tuple (_NotSameTuple): New.
 	* include/std/tuple (tuple(_UElements&&...): Use it.
	* testsuite/20_util/tuple/cons/element_accepts_anything_byval.cc: New.

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