[Bug c++/66962] [concepts] overloaded function causing memory blow-up and ICE

[Casey at Carter dot net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66962

--- Comment #5 from Casey Carter <Casey at Carter dot net> ---
(In reply to Markus Trippelsdorf from comment #2)
> /usr/local/gcc-concepts/include/c++/6.0.0/initializer_list:47:11: fatal
> error: definition of std::initializer_list does not match #include
> <initializer_list>

This is because the definition of std::initializer_list in the preprocessed
source doesn't agree with your compiler's - or mine - notion of what
std::initializer_list should be.

We need a more recent test case.