[LLVMbugs] [Bug 21799] New: Crash on malformed metadata reference

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=21799

            Bug ID: 21799
           Summary: Crash on malformed metadata reference
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: LLVM assembly language parser
          Assignee: unassignedbugs at nondot.org
          Reporter: david.majnemer at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

consider:
define void @f() {
  ret void, !_1
}

opt: src/lib/IR/LLVMContext.cpp:253: unsigned int
llvm::LLVMContext::getMDKindID(llvm::StringRef) const: Assertion
`isValidName(Name) && "Invalid MDNode name"' failed.

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