[Bug tree-optimization/127805] [17 Regression] ICE in in do_rpo_vn_1, at tree-ssa-sccvn.cc:8962

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127805

--- Comment #2 from Tobias Burnus <burnus at gcc dot gnu.org> ---
(In reply to Drea Pinski from comment #1)
> Can you provide the preprocessed source?

Yes, but cvise took a while ... (works at -O1, fails at -O2)

$ build-gcc-trunk-offload-amdgcn/./gcc/cc1 inp2.i -quiet -O2

==> inp2.i <==
void *memset2(void *m, int n) {
  char *s;
  while ((long)s & 1)
    if (n--)
      s++;
    else
      return m;
}