[Bug tree-optimization/42719] New: "-fcompare-debug failure" with "-O2 -ftracer"

[zsojka at seznam dot cz]

Command line:
gcc -O2 -ftracer -fcompare-debug -c testcase.c
or
gcc -O1 -ftree-pre -freorder-blocks -ftracer -fcompare-debug -c testcase.c

Tested revisions:
r155833 - crash
r155777 - crash
r154830 - crash
r153685 - crash

Output:
$ /mnt/svn/gcc-trunk/binary-155777-lto/bin/gcc -O2 -ftracer -fcompare-debug -c
testcase.c
gcc: testcase.c: -fcompare-debug failure


-- 
           Summary: "-fcompare-debug failure" with "-O2 -ftracer"
           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=42719