[Bug target/89434] [7/8 Regression] wrong code with -Og and __builtin_mul_overflow()

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89434

--- Comment #11 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 45839
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45839&action=edit
gcc9-pr89434.patch

I'm testing this separately.