[Bug libstdc++/61532] [4.10 regression] make_signed and make_unsigned wchar_t have started failing in the libstdc++ testsuite.

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61532

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Targets that define wchar_t as unsigned int are not conforming to the C++
standard, which requires wchar_t to be a distinct type, not a typedef.

I can look into a hack to detect non-conforming targets, but probably not until
next week.