[Bug tree-optimization/108355] [13/14/15/16 Regression] Dead Code Elimination Regression at -O2 since r13-2772-g9baee6181b4e42

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108355

Sam James <sjames at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|                            |16.0
   Target Milestone|13.5                        |16.0
         Depends on|                            |121740
         Resolution|---                         |FIXED
             Status|ASSIGNED                    |RESOLVED

--- Comment #17 from Sam James <sjames at gcc dot gnu.org> ---
The testcase was fixed by r16-3561-g95afbe4c763345. I don't think that's
backportable.


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121740
[Bug 121740] missed load fre/pre with std::optional