[LLVMbugs] [Bug 10701] New: Assert failure in DwarfDebug.cpp

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=10701

           Summary: Assert failure in DwarfDebug.cpp
           Product: new-bugs
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: tjablin at cs.princeton.edu
                CC: llvmbugs at cs.uiuc.edu


Created an attachment (id=7097)
 --> (http://llvm.org/bugs/attachment.cgi?id=7097)
Causes llc to assert in DwarfDebug.cpp

Running llc test.ll yields an assertion failure in DwarfDebug.cpp. I have run
bugpoint to reduce the testcase, but it doesn't help much because the bug is in
the metadata.

The assertion is:
llc: llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp:299: llvm::DIE*
llvm::DwarfDebug::updateSubprogramScopeDIE(const llvm::MDNode*): Assertion
`SPDie && "Unable to find subprogram DIE!"' failed.

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