[LLVMbugs] [Bug 11133] New: llvm-gcc self host .o mismatch after enable-iv-rewrite=false

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=11133

           Summary: llvm-gcc self host .o mismatch after
                    enable-iv-rewrite=false
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: All
            Status: ASSIGNED
          Severity: normal
          Priority: P
         Component: Scalar Optimizations
        AssignedTo: atrick at apple.com
        ReportedBy: atrick at apple.com
                CC: llvmbugs at cs.uiuc.edu


http://lab.llvm.org:8011/builders/llvm-x86_64-linux-checks

The self-host reports stage 2/3 differences in pt.o and gcc.o, and occasionally
others.

I have only been able to reproduce with a parallel make of the entire tree but
not as an individual build step.

I manually inspected the .o file differences and don't see any functional
difference.

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