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[Bug debug/46258] New: gcc.dg/tree-ssa/pr23820.c: -fcompare-debug failure with -O3 -ffloat-store

From: "zsojka at seznam dot cz" <gcc-bugzilla at gcc dot gnu dot org>
To: gcc-bugs at gcc dot gnu dot org
Date: Sun, 31 Oct 2010 23:34:48 +0000
Subject: [Bug debug/46258] New: gcc.dg/tree-ssa/pr23820.c: -fcompare-debug failure with -O3 -ffloat-store
Auto-submitted: auto-generated

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46258

           Summary: gcc.dg/tree-ssa/pr23820.c: -fcompare-debug failure
                    with -O3 -ffloat-store
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: debug
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: zsojka@seznam.cz


Compiler output:
$ gcc -O3 -ffloat-store -fcompare-debug pr23820.i 
gcc: error: pr23820.i: -fcompare-debug failure

I wasn't able to reduce the testcase further.

Tested revisions:
r166105 - fail
r153685 - fail
r158095 - fail
r159696 - fail
4.5 r165781 - fail

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