1 files changed, 4 insertions, 3 deletions
diff --git a/llvm/lib/IR/LLVMContextImpl.h b/llvm/lib/IR/LLVMContextImpl.h
index 2938421080b..0d6d9799b46 100644
--- a/llvm/lib/IR/LLVMContextImpl.h
+++ b/llvm/lib/IR/LLVMContextImpl.h
@@ -33,6 +33,7 @@
 #include "llvm/IR/Metadata.h"
 #include "llvm/IR/ValueHandle.h"
 #include "llvm/Support/Dwarf.h"
+#include <vector>
 
 namespace llvm {
 
@@ -1026,9 +1027,9 @@ public:
 
   // MDNodes may be uniqued or not uniqued.  When they're not uniqued, they
   // aren't in the MDNodeSet, but they're still shared between objects, so no
-  // one object can destroy them.  This set allows us to at least destroy them
-  // on Context destruction.
-  SmallPtrSet<MDNode *, 1> DistinctMDNodes;
+  // one object can destroy them.  Keep track of them here so we can delete
+  // them on context teardown.
+  std::vector<MDNode *> DistinctMDNodes;
 
   DenseMap<Type*, ConstantAggregateZero*> CAZConstants;