[LLVMbugs] [Bug 6255] New: llvm_unreachable assert in llc

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=6255

           Summary: llvm_unreachable assert in llc
           Product: new-bugs
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: viridia at gmail.com
                CC: llvmbugs at cs.uiuc.edu


I've been getting an error in llc lately:

FIXME: Don't support this constant cast expr
UNREACHABLE executed at
/home/talin/Projects/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp:898!

This started happening about two weeks ago for me (I update to the trunk
revision on a fairly regular basis.)

Attached is an input file which can reproduce the error with the following
command:

   llc StringReaderTest.opt.bc

Note that this input file was produced by opt, which did not report any
complaints.


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