Index: clang/lib/ASTMatchers/ASTMatchFinder.cpp
===================================================================
--- clang/lib/ASTMatchers/ASTMatchFinder.cpp
+++ clang/lib/ASTMatchers/ASTMatchFinder.cpp
@@ -918,7 +918,7 @@
     if (ClassDecl == Declaration) {
       // This can happen for recursive template definitions; if the
       // current declaration did not match, we can safely return false.
-      return false;
+      continue;
     }
     BoundNodesTreeBuilder Result(*Builder);
     if (Base.matches(*ClassDecl, this, &Result)) {
Index: clang/unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp
===================================================================
--- clang/unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp
+++ clang/unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp
@@ -453,6 +453,8 @@
   EXPECT_TRUE(notMatches("class X;", IsDerivedFromX));
   EXPECT_TRUE(notMatches("class Y;", IsDerivedFromX));
   EXPECT_TRUE(notMatches("", IsDerivedFromX));
+  EXPECT_TRUE(matches("class X {}; template<int N> class Y : Y<N-1>, X {};", IsDerivedFromX));
+  EXPECT_TRUE(matches("class X {}; template<int N> class Y : X, Y<N-1> {};", IsDerivedFromX));
 
   DeclarationMatcher IsDirectlyDerivedFromX =
       cxxRecordDecl(isDirectlyDerivedFrom("X"));