Fix ASTMatchersTests to not create an overloaded-virtual warning.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166921 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/unittests/ASTMatchers/ASTMatchersTest.cpp b/unittests/ASTMatchers/ASTMatchersTest.cpp
index 2602e87..ec4312e 100644
--- a/unittests/ASTMatchers/ASTMatchersTest.cpp
+++ b/unittests/ASTMatchers/ASTMatchersTest.cpp
@@ -599,6 +599,10 @@
     return false;
   }
 
+  virtual bool run(const BoundNodes *Nodes, ASTContext *Context) {
+    return run(Nodes);
+  }
+
 private:
   const std::string Id;
   const int ExpectedCount;
@@ -3238,6 +3242,11 @@
   explicit VerifyRecursiveMatch(StringRef Id,
                                 const internal::Matcher<T> &InnerMatcher)
       : Id(Id), InnerMatcher(InnerMatcher) {}
+
+  virtual bool run(const BoundNodes *Nodes) {
+    return false;
+  }
+
   virtual bool run(const BoundNodes *Nodes, ASTContext *Context) {
     const T *Node = Nodes->getNodeAs<T>(Id);
     bool Found = false;