[Bug libstdc++/64288] libstdc++ testsuite not compatible with -fno-rtti or -fno-exceptions

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64288

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Lots of similar failures when the library is configured with --disable-wchar_t