[Bug c++/115808] Different behavior with optimizations enabled and disabled.

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115808

--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to linuxnyasha from comment #2)
> On clang works

But 2 out of 3 compilers have the same error message which might mean this is
not valid code. with and without optimizations in GCC in this case usually
means it depends on when the decl is injected depending which template gets
instantiated first.