[Bug tree-optimization/80293] [6/7 Regression] unnecessary code at -O2 (-O1 is fine)

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80293

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|                            |7.1.1
   Target Milestone|6.4                         |7.2
      Known to fail|                            |6.3.1, 7.1.0