1 files changed, 11 insertions, 1 deletions
diff --git a/clang/test/Misc/diag-template-diffing-cxx98.cpp b/clang/test/Misc/diag-template-diffing-cxx98.cpp
index cd40ccc3748..f374fbc4179 100644
--- a/clang/test/Misc/diag-template-diffing-cxx98.cpp
+++ b/clang/test/Misc/diag-template-diffing-cxx98.cpp
@@ -4,4 +4,14 @@ namespace PR14342 {
   template<typename T, char a> struct X {};
   X<int, 1> x = X<long, 257>();
   // CHECK: error: no viable conversion from 'X<long, [...]>' to 'X<int, [...]>'
-}
-\ No newline at end of file
+}
+
+namespace PR15513 {
+  template <int x, int y = x+1>
+  class A {};
+
+  void foo(A<0> &M) {
+    // CHECK: no viable conversion from 'A<[...], (default) x + 1>' to 'A<[...], 0>'
+    A<0, 0> N = M;
+  }
+}