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[Bug tree-optimization/50290] New: [4.7 Regression] ICE: in distribute_notes, at combine.c:13282 with -flto -funroll-loops
- From: "zsojka at seznam dot cz" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sun, 04 Sep 2011 22:28:33 +0000
- Subject: [Bug tree-optimization/50290] New: [4.7 Regression] ICE: in distribute_notes, at combine.c:13282 with -flto -funroll-loops
- Auto-submitted: auto-generated
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50290
Bug #: 50290
Summary: [4.7 Regression] ICE: in distribute_notes, at
combine.c:13282 with -flto -funroll-loops
Classification: Unclassified
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: zsojka@seznam.cz
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Created attachment 25190
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25190
reduced testcase
Compiler output:
$ gcc -O2 -flto -fno-tree-loop-optimize -fno-tree-vrp -funroll-loops testcase.c
In file included from testcase.c:14:0,
from :0:
testcase.c: In function 'main':
testcase.c:23:1: internal compiler error: in distribute_notes, at
combine.c:13282
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
lto-wrapper: /mnt/svn/gcc-trunk/binary-latest/bin/gcc returned 1 exit status
/usr/bin/ld: lto-wrapper failed
collect2: error: ld returned 1 exit status
Tested revisions:
r178508 - crash
r177543 - OK
4.6 r177922 - OK