[Bug c/88695] Accepts invalid program with incompatible function types.

[anders.granlund.0 at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88695

--- Comment #1 from Anders Granlund <anders.granlund.0 at gmail dot com> ---
Correction:

The second standard reference should be 6.7.6.3/15 and not 6.7.3/15.