[Bug debug/80025] [5/6/7 Regression] ICE w/ -O2 (-O3, -Ofast) -g -ftracer (infinite recursion in rtx_equal_for_cselib_1)

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80025

--- Comment #11 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 41034
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41034&action=edit
gcc7-pr80025.patch

Untested alternate patch.