diff --git a/clang/lib/ASTMatchers/ASTMatchersInternal.cpp b/clang/lib/ASTMatchers/ASTMatchersInternal.cpp
index f1a9ff2..3144261 100644
--- a/clang/lib/ASTMatchers/ASTMatchersInternal.cpp
+++ b/clang/lib/ASTMatchers/ASTMatchersInternal.cpp
@@ -82,6 +82,10 @@
   return BoundNodesTree(Bindings, RecursiveBindings);
 }
 
+DynTypedMatcher::~DynTypedMatcher() {}
+
+DynTypedMatcher *DynTypedMatcher::tryBind(StringRef ID) const { return NULL; }
+
 } // end namespace internal
 } // end namespace ast_matchers
 } // end namespace clang