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[Bug tree-optimization/42685] New: "-fcompare-debug failure" with "-O1 -funroll-loops" (2)
- From: "zsojka at seznam dot cz" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 10 Jan 2010 23:31:48 -0000
- Subject: [Bug tree-optimization/42685] New: "-fcompare-debug failure" with "-O1 -funroll-loops" (2)
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
Command line:
g++ -O1 -fcompare-debug -funroll-loops -c testcase.cpp
-fno-web helps even in the nonreduced testcase
Tested revisions:
r155777 - crash
r155680 - crash
r154830 - crash
r153685 - crash
Output:
$ /mnt/svn/gcc-trunk/binary-155777-lto/bin/g++ -O1 -fcompare-debug
-funroll-loops -c testcase.cpp
g++: testcase.cpp: -fcompare-debug failure
Valgrind:
no errors reported
--
Summary: "-fcompare-debug failure" with "-O1 -funroll-loops" (2)
Product: gcc
Version: 4.5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: zsojka at seznam dot cz
GCC host triplet: x86_64-pc-linux-gnu
GCC target triplet: x86_64-pc-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42685