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[Bug target/36713] [4.4 regression] r137252 breaks -O2 optimization on x86_64-unknown-linux-gnu
- From: "dfranke at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 3 Jul 2008 13:00:38 -0000
- Subject: [Bug target/36713] [4.4 regression] r137252 breaks -O2 optimization on x86_64-unknown-linux-gnu
- References: <bug-36713-13648@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #13 from dfranke at gcc dot gnu dot org 2008-07-03 13:00 -------
> Can you try if -fno-optimize-sibling-calls fixes it
> (that should remove the [tail call]).
FCFLAGS="-O2 -fno-optimize-sibling-calls" - works
FCFLAGS="-O1 -foptimize-sibling-calls" - broken
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36713