> Anyway, this patch doesn't do those smarts, just restores previous behavior.
> Bootstrapped/regtested on x86_64-linux and i686-linux, ok for trunk?
>
> 2017-11-09 Jakub Jelinek
>
> PR rtl-optimization/82913
> * compare-elim.c (try_merge_compare): Punt if def_insn is not
> s
Hi!
My recent changes to compare-elim.c introduced ICE on the following
testcase.
When computing cmp->in_a_setter, I've made sure it is single_set
and therefore I've left the if (!set) return false; stuff out.
That usually works, but doesn't if an earlier try_eliminate_compare or
try_merge_compare
