1 files changed, 5 insertions, 1 deletions
diff --git a/test/SemaCXX/anonymous-union.cpp b/test/SemaCXX/anonymous-union.cpp
index fde27b049d88..46d426cf0c0f 100644
--- a/test/SemaCXX/anonymous-union.cpp
+++ b/test/SemaCXX/anonymous-union.cpp
@@ -80,10 +80,14 @@ union { // expected-error{{anonymous unions at namespace or global scope must be
 };
 
 static union {
-  int int_val2;
+  int int_val2; // expected-note{{previous definition is here}}
   float float_val2;
 };
 
+void PR21858() {
+  void int_val2(); // expected-error{{redefinition of 'int_val2' as different kind of symbol}}
+}
+
 void f() {
   int_val2 = 0;
   float_val2 = 0.0;