[Bug testsuite/100748] [12 regression] 30_threads/jthread/95989.cc fails after r12-843

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100748

--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> ---
I'd better disable it again until I have time to figure it out.