[Bug tree-optimization/122589] [16 regression] ICE when building kwin with -g3

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122589

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I think FOR_EACH_IMM_USE_STMT in convert_mult_to_fma_1 needs to be replaced
with gather_imm_use_stmts.