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author	redi <redi@138bc75d-0d04-0410-961f-82ee72b054a4>
	Mon, 10 Oct 2016 15:34:28 +0000 (15:34 +0000)
committer	redi <redi@138bc75d-0d04-0410-961f-82ee72b054a4>
	Mon, 10 Oct 2016 15:34:28 +0000 (15:34 +0000)
commit	c3f9a17935773a90fecd36f30ddf1b7e7d58d115
tree	0ae19e10645befcea07ccd7b6638f0cdf12001ec	tree
parent	8d3bf9dff47e98d0c4afe445a79a545e59d5f121	commit \| diff

Implement constexpr std::addressof for C++17

* doc/xml/manual/intro.xml: Document DR 2296 status.
* doc/xml/manual/status_cxx2017.xml: Update status.
* include/bits/move.h (__addressof): Add _GLIBCXX_CONSTEXPR and
call __builtin_addressof.
(addressof): Add _GLIBCXX17_CONSTEXPR.
* testsuite/20_util/addressof/requirements/constexpr.cc: New test.
* testsuite/20_util/forward/c_neg.cc: Adjust dg-error lineno.
* testsuite/20_util/forward/f_neg.cc: Likewise.

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libstdc++-v3/doc/xml/manual/intro.xml		diff \| blob \| blame \| history
libstdc++-v3/doc/xml/manual/status_cxx2017.xml		diff \| blob \| blame \| history
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libstdc++-v3/testsuite/20_util/addressof/requirements/constexpr.cc	[new file with mode: 0644]	blob
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libstdc++-v3/testsuite/20_util/forward/f_neg.cc		diff \| blob \| blame \| history