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-rw-r--r--lib/VMCore/AsmWriter.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/VMCore/AsmWriter.cpp b/lib/VMCore/AsmWriter.cpp
index 1865402..44095ca 100644
--- a/lib/VMCore/AsmWriter.cpp
+++ b/lib/VMCore/AsmWriter.cpp
@@ -698,7 +698,7 @@ void SlotTracker::processFunction() {
if (MDNode *N = dyn_cast_or_null<MDNode>(I->getOperand(i))) {
// Create a metadata slot only if N contains no instructions.
for (unsigned n = 0, e = N->getNumElements(); n != e; ++n)
- if (isa<Instruction>(N->getElement(n)))
+ if (N->getElement(n) && isa<Instruction>(N->getElement(n)))
continue;
CreateMetadataSlot(N);
}