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[Bug middle-end/48579] New: ICE: verify_flow_info: too many outgoing branch edges from bb 3 with asm goto
- From: "zsojka at seznam dot cz" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 12 Apr 2011 18:26:28 +0000
- Subject: [Bug middle-end/48579] New: ICE: verify_flow_info: too many outgoing branch edges from bb 3 with asm goto
- Auto-submitted: auto-generated
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48579
Summary: ICE: verify_flow_info: too many outgoing branch edges
from bb 3 with asm goto
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: zsojka@seznam.cz
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Created attachment 23967
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23967
reduced testcase
Compiler output:
$ gcc testcase.c
testcase.c: In function 'foo':
testcase.c:5:3: warning: asm operand 0 probably doesn't match constraints
[enabled by default]
testcase.c:5:3: error: impossible constraint in 'asm'
testcase.c:6:1: error: too many outgoing branch edges from bb 3
testcase.c:6:1: 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.
Tested revisions:
r172314 - crash
4.6 r171597 - crash
4.5 r171597 - crash
4.4 r171597 - doesn't know asm goto