[Bug c/94809] [8/9/10 Regression] Different results between gcc-9 and gcc-6

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94809

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
With -fsanitize=undefined the result is correct.