1 files changed, 17 insertions, 1 deletions
diff --git a/lib/VMCore/LLVMContextImpl.cpp b/lib/VMCore/LLVMContextImpl.cpp
index 6279bb8..d35d284 100644
--- a/lib/VMCore/LLVMContextImpl.cpp
+++ b/lib/VMCore/LLVMContextImpl.cpp
@@ -12,6 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "LLVMContextImpl.h"
+#include "llvm/Attributes.h"
 #include "llvm/Module.h"
 #include "llvm/ADT/STLExtras.h"
 #include <algorithm>
@@ -93,7 +94,21 @@ LLVMContextImpl::~LLVMContextImpl() {
        E = CDSConstants.end(); I != E; ++I)
     delete I->second;
   CDSConstants.clear();
-  
+
+  // Destroy attributes.
+  for (FoldingSetIterator<AttributesImpl> I = AttrsSet.begin(),
+         E = AttrsSet.end(); I != E; ) {
+    FoldingSetIterator<AttributesImpl> Elem = I++;
+    delete &*Elem;
+  }
+
+  // Destroy attribute lists.
+  for (FoldingSetIterator<AttributeListImpl> I = AttrsLists.begin(),
+         E = AttrsLists.end(); I != E; ) {
+    FoldingSetIterator<AttributeListImpl> Elem = I++;
+    delete &*Elem;
+  }
+
   // Destroy MDNodes.  ~MDNode can move and remove nodes between the MDNodeSet
   // and the NonUniquedMDNodes sets, so copy the values out first.
   SmallVector<MDNode*, 8> MDNodes;
@@ -107,6 +122,7 @@ LLVMContextImpl::~LLVMContextImpl() {
     (*I)->destroy();
   assert(MDNodeSet.empty() && NonUniquedMDNodes.empty() &&
          "Destroying all MDNodes didn't empty the Context's sets.");
+
   // Destroy MDStrings.
   DeleteContainerSeconds(MDStringCache);
 }