[LLVMbugs] [Bug 13056] New: [REGRESSION] clang hangs compiling dca.c from libav at -O2

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=13056

             Bug #: 13056
           Summary: [REGRESSION] clang hangs compiling dca.c from libav at
                    -O2
           Product: clang
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: -New Bugs
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: ismail at namtrac.org
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified


Created attachment 8701
  --> http://llvm.org/bugs/attachment.cgi?id=8701
Preprocessed file

This is a regression introduced in last ~2 days.

SUSE Linux clang version 3.2 (trunk 158152) (based on LLVM 3.2svn)
Target: x86_64-unknown-linux-gnu
Thread model: posix


> clang -O2 -c dca.i
^C

-O1 works.

No time for a reduction atm.

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