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Date: Sun, 10 Jan 2010 23:31:00 -0000
Subject: [Bug tree-optimization/42685]  New: "-fcompare-debug failure" with "-O1 -funroll-loops" (2)
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From: "zsojka at seznam dot cz" <gcc-bugzilla@gcc.gnu.org>
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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