[Bug tree-optimization/79389] [7 Regression] 30% performance regression in SciMark2 MonteCarlo

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79389

--- Comment #10 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 40815
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40815&action=edit
gcc7-pr79389.patch

Full untested patch.