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[Bug debug/45419] New: -fcompare-debug failure at -O3


Command line:
$ gcc -fcompare-debug -O3 testcase-min6.i

Compiler output:
$ gcc -fcompare-debug -O3 testcase-min6.i -w
gcc: error: testcase-min6.i: -fcompare-debug failure (length)

Tested revisions:
r163468 - fail
r162940 - OK
r161659 - OK
r161170 - OK

The failure keeps appearing and disappearing when little changes are made - in
the original testcase, even removing -pipe or adding -save-temps caused the
failure to disappear.


-- 
           Summary: -fcompare-debug failure at -O3
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: debug
        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=45419


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