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author	Ville Voutilainen <ville.voutilainen@gmail.com>
	Mon, 19 Dec 2016 12:55:33 +0000 (14:55 +0200)
committer	Ville Voutilainen <ville@gcc.gnu.org>
	Mon, 19 Dec 2016 12:55:33 +0000 (14:55 +0200)
commit	4b21c3ea03540ba1d89bca16561820f0911e17ce
tree	e5d7b3004bcfea8c1985fe2c6450e7e6c70b500e	tree \| snapshot
parent	99eb50e806f51a37f8188fd268a6abbb7d292927	commit \| diff

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

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.

From-SVN: r243795

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
libstdc++-v3/testsuite/20_util/tuple/element_access/get_neg.cc		diff \| blob \| blame \| history

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