[Bug tree-optimization/114872] [13/14/15 Regression] Miscompilation with -O2 after commit r13-8037

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114872

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
           See Also|                            |https://gcc.gnu.org/bugzill
                   |                            |a/show_bug.cgi?id=56512
         Resolution|---                         |INVALID

--- Comment #27 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
https://pubs.opengroup.org/onlinepubs/7908799/xsh/longjmp.html


The requirement of using volatile has been there a long time before your code
was written ...