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[Bug tree-optimization/46233] [4.6 Regression] ICE: verify_flow_info failed: control flow in the middle of basic block 3 with -foptimize-sibling-calls
- From: "hjl.tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 29 Oct 2010 22:42:47 +0000
- Subject: [Bug tree-optimization/46233] [4.6 Regression] ICE: verify_flow_info failed: control flow in the middle of basic block 3 with -foptimize-sibling-calls
- Auto-submitted: auto-generated
- References: <bug-46233-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46233
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
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CC| |hubicka at gcc dot gnu.org
--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> 2010-10-29 22:42:36 UTC ---
(In reply to comment #0)
> Created attachment 22200 [details]
> reduced testcase
>
> Compiler output:
> $ gcc -O -foptimize-sibling-calls pr46233.c
> pr46233.c: In function 'foo':
> pr46233.c:5:1: error: control flow in the middle of basic block 3
> pr46233.c:5:1: internal compiler error: verify_flow_info failed
> Please submit a full bug report,
> with preprocessed source if appropriate.
> See <http://gcc.gnu.org/bugs.html> for instructions.
This is caused by revision 160124:
http://gcc.gnu.org/ml/gcc-cvs/2010-06/msg00036.html