diff --git a/lib/AsmParser/LLParser.cpp b/lib/AsmParser/LLParser.cpp
index 0ecf847..1543e4b 100644
--- a/lib/AsmParser/LLParser.cpp
+++ b/lib/AsmParser/LLParser.cpp
@@ -2657,7 +2657,7 @@
 
     // Set metadata attached with this instruction.
     Metadata &TheMetadata = M->getContext().getMetadata();
-    for (SmallVector<std::pair<MDKindID, MDNode *>, 2>::iterator
+    for (SmallVector<std::pair<unsigned, MDNode *>, 2>::iterator
            MDI = MDsOnInst.begin(), MDE = MDsOnInst.end(); MDI != MDE; ++MDI)
       TheMetadata.setMD(MDI->first, MDI->second, Inst);
     MDsOnInst.clear();