[Bug target/79498] [5/7 Regression] ICE in df_insn_delete, at df-scan.c:948

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79498

--- Comment #5 from Martin Liška <marxin at gcc dot gnu.org> ---
(In reply to Martin Liška from comment #2)
> Confirmed, the df-scan ICE appeared in r239383 and the folding stuff
> disappeared in r233852.

Ok, problem with 5 branch is that r233852 was wrongly back-ported (r234773),
the hunk in fold-const.c is not applied. Applying the hunk, ICE has gone for
GCC 5 branch. I'm going to test it once more and send to ML.