[Bug middle-end/104540] ICE: SIGSEGV in cfi_oprnd_equal_p with -O2 -fharden-conditional-branches -mforce-drap -mstackrealign --param=max-grow-copy-bb-insns=125

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104540

--- Comment #2 from Alexandre Oliva <aoliva at gcc dot gnu.org> ---
Created attachment 52459
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52459&action=edit
candidate patch under test

Here's a candidate fix