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Check for null MDNode element while printing comment.

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llvm-svn: 83172
This commit is contained in:
Devang Patel 2009-09-30 21:26:51 +00:00
parent 44b5a5a58c
commit 43ce9e3e75
1 changed files with 1 additions and 1 deletions
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2
lib/VMCore/AsmWriter.cpp
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@ -874,7 +874,7 @@ static void WriteMDNodeComment(const MDNode *Node,
formatted_raw_ostream &Out) {
if (Node->getNumElements() < 1)
return;
ConstantInt *CI = dyn_cast<ConstantInt>(Node->getElement(0));
ConstantInt *CI = dyn_cast_or_null<ConstantInt>(Node->getElement(0));
if (!CI) return;
unsigned Val = CI->getZExtValue();
unsigned Tag = Val & ~LLVMDebugVersionMask;