[Bug c++/49813] [C++0x] sinh vs asinh vs constexpr

[jason at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49813

--- Comment #55 from Jason Merrill <jason at gcc dot gnu.org> 2011-08-01 
18:27:58 UTC ---
I've changed the compiler to allow all builtins in constexpr functions.