[Bug middle-end/117574] [12/13/14/15 Regression] Miscompile with -O2/3 and -O0/1

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117574

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|                            |6.5.0
     Ever confirmed|0                           |1
      Known to fail|                            |15.0
   Last reconfirmed|                            |2024-11-14
            Summary|Miscompile with -O2/3 and   |[12/13/14/15 Regression]
                   |-O0/1                       |Miscompile with -O2/3 and
                   |                            |-O0/1
           Keywords|                            |needs-bisection
             Status|UNCONFIRMED                 |NEW
   Target Milestone|---                         |12.5

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Confirmed.

You can hit the bug in GCC 7/8 by `s/c = 1/c = -1/`.