[LLVMbugs] [Bug 1898] New: Runtime failure from optimization

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=1898

           Summary: Runtime failure from optimization
           Product: libraries
           Version: trunk
          Platform: Macintosh
        OS/Version: MacOS X
            Status: NEW
          Severity: major
          Priority: P2
         Component: Backend: X86
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: dalej at apple.com
                CC: llvmbugs at cs.uiuc.edu


Attached .ll file works when run directly through llc (on Darwin x86).  Fails
when run through opt -std-compile-opts first.  This is a regression from
12/13/07.
This is from gcc.c-torture/execute/20000403-1.c in the gcc testsuite (with
llvm-gcc-4.2).
There are 3 similar failures (runtime failure at optimization other than -O0);
I'm hopeful they're all the same:
gcc.c-torture/execute/920711-1.c
gcc.c-torture/execute/cmpsi-1.c
gcc.c-torture/execute/loop-3b.c


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