[LLVMbugs] [Bug 11383] New: r144559 causes possible miscompilation with libav/ffmpeg

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Tue Nov 15 07:57:31 PST 2011


             Bug #: 11383
           Summary: r144559 causes possible miscompilation with
           Product: new-bugs
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: ismail at namtrac.org
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 7616
  --> http://llvm.org/bugs/attachment.cgi?id=7616
dnxhdenc.i (gzipped)

With r144559 libav regression tests shows multiple regressions, reverting this
commit fixes the issue. Seems like many files are miscompiled but finding each
one is not easy.

I managed to find one file that is miscompiled dnxhdenc.c which I will attach
preprocessed file.

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