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[Bug c++/49813] [C++0x] sinh vs asinh vs constexpr
- 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: Sun, 24 Jul 2011 14:56:14 +0000
- Subject: [Bug c++/49813] [C++0x] sinh vs asinh vs constexpr
- Auto-submitted: auto-generated
- References: <bug-49813-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49813
--- Comment #25 from Daniel KrÃgler <daniel.kruegler at googlemail dot com> 2011-07-24 14:55:04 UTC ---
(In reply to comment #21)
As far as I could follow this discussion, LWG 2013 seems to be the right
location from the library view of point. But a compiler should not allow for
function calls to participate in constant expressions, if these functions are
not marked as constexpr. Library functions and other intrinsics can probably be
considered as exceptions, because they are not required to be "explainable" by
normal language rules.