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author	Ville Voutilainen <ville.voutilainen@gmail.com>
	Mon, 19 Dec 2016 15:22:05 +0000 (17:22 +0200)
committer	Ville Voutilainen <ville@gcc.gnu.org>
	Mon, 19 Dec 2016 15:22:05 +0000 (17:22 +0200)
commit	83c65d6de8460954f00d719f299a3e4b3f1a366f
tree	b836b8a977bc4b2fc5c43b07843b22379914bcef	tree
parent	8c626c9e338bc36df93ee8486c36a5baa927d5a1	commit \| diff

backport: Make the perfect-forwarding constructor of a two-element tuple sfinae away when the first argument is an allocator_arg.

Backport from mainline
2016-12-19 Ville Voutilainen <ville.voutilainen@gmail.com>

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.

From-SVN: r243797

libstdc++-v3/ChangeLog		diff \| blob \| blame \| history
libstdc++-v3/include/std/tuple		diff \| blob \| blame \| history
libstdc++-v3/testsuite/20_util/tuple/cons/allocator_with_any.cc	[new file with mode: 0644]	blob

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