Use MDNode::destroy(). Fixes a delete/free mismatch.

llvm-svn: 111739

llvm/lib/VMCore/Metadata.cpp

@@ -263,10 +263,8 @@ void MDNode::deleteTemporary(MDNode *N) {
          "Temporary MDNode does not have NotUniquedBit set!");
   assert((N->getSubclassDataFromValue() & DestroyFlag) == 0 &&
          "Temporary MDNode has DestroyFlag set!");
-  N->setValueSubclassData(N->getSubclassDataFromValue() |
-                          DestroyFlag);
   LeakDetector::removeGarbageObject(N);
-  delete N;
+  N->destroy();
 }
 
 /// getOperand - Return specified operand.