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[Bug tree-optimization/85615] [8/9 Regression] ICE at -O2 and above on valid code on x86_64-linux-gnu: in dfs_enumerate_from, at cfganal.c:1197
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 03 May 2018 11:35:04 +0000
- Subject: [Bug tree-optimization/85615] [8/9 Regression] ICE at -O2 and above on valid code on x86_64-linux-gnu: in dfs_enumerate_from, at cfganal.c:1197
- Auto-submitted: auto-generated
- References: <bug-85615-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85615
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Regresses gcc.dg/uninit-20.c.
Trying
if (bb->loop_father != e2->src->loop_father
&& (!loop_exit_edge_p (e2->src->loop_father, e2)
|| flow_loop_nested_p (bb->loop_father,
e2->dest->loop_father)))
instead.