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[Bug tree-optimization/79744] [7 Regression] The polyhedron test rnflow.f90 is miscompiled with -O3 after r236361
- 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: Tue, 28 Feb 2017 10:34:12 +0000
- Subject: [Bug tree-optimization/79744] [7 Regression] The polyhedron test rnflow.f90 is miscompiled with -O3 after r236361
- Auto-submitted: auto-generated
- References: <bug-79744-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79744
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
-fno-tree-loop-distribute-patterns doesn't help so your bisection is bogus I
think. Disabling VRP helps though, so trying own bisect with a hint of
r236336.