diff --git a/lib/AST/Expr.cpp b/lib/AST/Expr.cpp
index 036d5ef..370f33f 100644
--- a/lib/AST/Expr.cpp
+++ b/lib/AST/Expr.cpp
@@ -652,6 +652,13 @@
   return 0;
 }
 
+void CastExpr::DoDestroy(ASTContext &C)
+{
+  if (InheritancePath)
+    InheritancePath->Destroy();
+  Expr::DoDestroy(C);
+}
+
 Expr *CastExpr::getSubExprAsWritten() {
   Expr *SubExpr = 0;
   CastExpr *E = this;