[Bug middle-end/44247] New: -fcompare-debug failure with -O1 -fgraphite-identity

["zsojka at seznam dot cz" <gcc-bugzilla at gcc dot gnu dot org>]

Command line:
gcc -O[12s] -fgraphite-identity -fcompare-debug testcase.c

Compiler output:
$ gcc -O1 -fgraphite-identity -fcompare-debug testcase.c
gcc: testcase.c: -fcompare-debug failure
$ gcc -O2 -fgraphite-identity -fcompare-debug testcase.c
gcc: testcase.c: -fcompare-debug failure (length)
$ gcc -Os -fgraphite-identity -fcompare-debug testcase.c
gcc: testcase.c: -fcompare-debug failure (length)

Tested revisions:
r159696 - fail
r158095 - fail
4.5 r158978 - fail


-- 
           Summary: -fcompare-debug failure with -O1 -fgraphite-identity
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        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=44247