Enable "garbage detection" of LLVM objects. Now users should be obnoxious

warnings.  If they accidentally leak LLVM Value's.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3620 91177308-0d34-0410-b5e6-96231b3b80d8

lib/VMCore/Value.cpp

@@ -7,6 +7,7 @@
 #include "llvm/InstrTypes.h"
 #include "llvm/SymbolTable.h"
 #include "llvm/DerivedTypes.h"
+#include "Support/LeakDetector.h"
 #include <algorithm>
 
 //===----------------------------------------------------------------------===//
@@ -39,6 +40,9 @@ Value::~Value() {
   }
 #endif
   assert(Uses.begin() == Uses.end());
+
+  // There should be no uses of this object anymore, remove it.
+  LeakDetector::removeGarbageObject(this);
 }
 
 void Value::replaceAllUsesWith(Value *D) {