This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug rtl-optimization/81308] [8 regression] ICE in calc_dfs_tree, at dominance.c:458
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 04 Jul 2017 13:59:10 +0000
- Subject: [Bug rtl-optimization/81308] [8 regression] ICE in calc_dfs_tree, at dominance.c:458
- Auto-submitted: auto-generated
- References: <bug-81308-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81308
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
The ICE is because split2 apparently ends up with various unreachable basic
blocks and the checking code attempts to compute dominance info before those
are actually cleaned up.