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[Bug libstdc++/55043] [4.7/4.8 Regression] issue with nesting unordered_map containing unique_ptr into vector
- From: "glisse at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 24 Oct 2012 03:04:16 +0000
- Subject: [Bug libstdc++/55043] [4.7/4.8 Regression] issue with nesting unordered_map containing unique_ptr into vector
- Auto-submitted: auto-generated
- References: <bug-55043-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55043
--- Comment #9 from Marc Glisse <glisse at gcc dot gnu.org> 2012-10-24 03:04:16 UTC ---
(In reply to comment #8)
> is this a bug in is_constructible?
I don't think so. The implementation of the copy constructor is irrelevant,
only the prototype matters to determine copy-constructibility. The "best"
changing the trait could get is a hard (not sfinae) error...