[Bug c++/117751] [15 regression] 18_support/50594.cc fails since r15-5595-g27778979c9a1e3 with -D_GLIBCXX_ASSERTIONS

[redi at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117751

--- Comment #8 from Jonathan Wakely <redi at gcc dot gnu.org> ---
I agree, adding the new option to this test makes perfect sense. 

I'll check for other tests where we do this kind of thing.