[Bug c++/58080] internal compiler error, decltype in function declaration (for SFINAE purposes)

[nickolay.merkin at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58080

--- Comment #2 from Nickolay Merkin <nickolay.merkin at gmail dot com> ---
(In reply to Paolo Carlini from comment #1)
> Note that strictly speaking arithmetic on a pointer to void would be even
> invalid.

Yes of course, and the compiler has notified that... and then it crashed.