Extend StringRef's edit-distance algorithm to permit an upper bound on the allowed...

[oota-llvm.git] / include / llvm / ADT / DAGDeltaAlgorithm.h

diff --git a/include/llvm/ADT/DAGDeltaAlgorithm.h b/include/llvm/ADT/DAGDeltaAlgorithm.h
index de91282dc4b1faeba5a69807b008c9973071c8c4..99ed15c0d60f7d453e22f11cfad8adee9b36e48a 100644 (file)
--- a/include/llvm/ADT/DAGDeltaAlgorithm.h
+++ b/include/llvm/ADT/DAGDeltaAlgorithm.h
@@ -45,6 +45,8 @@ public:
   typedef std::vector<changeset_ty> changesetlist_ty;
 
 public:
+  virtual ~DAGDeltaAlgorithm() {}
+
   /// Run - Minimize the DAG formed by the \arg Changes vertices and the \arg
   /// Dependencies edges by executing \see ExecuteOneTest() on subsets of
   /// changes and returning the smallest set which still satisfies the test