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[Bug libstdc++/50641] [c++0x] is_convertible and is_constructible incorrectly require copy constructibility
- From: "daniel.kruegler at googlemail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 07 Oct 2011 06:46:56 +0000
- Subject: [Bug libstdc++/50641] [c++0x] is_convertible and is_constructible incorrectly require copy constructibility
- Auto-submitted: auto-generated
- References: <bug-50641-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50641
--- Comment #3 from Daniel KrÃgler <daniel.kruegler at googlemail dot com> 2011-10-07 06:46:56 UTC ---
(In reply to comment #2)
> This looks like not-a-bug to me.
This refers to the traits implementation. I believe that the core language
should consider to remove the need for the temporary that is required in
heterogeneous copy-initialization, but this is out of scope of gcc.