[Bug tree-optimization/126720] [15/16/17 Regression] wrong code with -O3

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126720

Drea Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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             Target|                            |x86_64-linux-gnu

--- Comment #1 from Drea Pinski <pinskia at gcc dot gnu.org> ---
Confirmed. Also fails at -O2 (at least with
s/__builtin_unreachable/__builtin_trap/).