1 files changed, 6 insertions, 1 deletions
diff --git a/clang/test/SemaCXX/attr-callback-broken.cpp b/clang/test/SemaCXX/attr-callback-broken.cpp
index a5469b2..53b331a 100644
--- a/clang/test/SemaCXX/attr-callback-broken.cpp
+++ b/clang/test/SemaCXX/attr-callback-broken.cpp
@@ -1,7 +1,12 @@
-// RUN: %clang_cc1 %s -verify -fsyntax-only
+// RUN: %clang_cc1 %s -std=c++23 -verify -fsyntax-only
 
 class C_in_class {
 #define HAS_THIS
 #include "../Sema/attr-callback-broken.c"
 #undef HAS_THIS
 };
+
+class ExplicitParameterObject {
+  __attribute__((callback(2, 0))) void explicit_this_idx(this ExplicitParameterObject* self, void (*callback)(ExplicitParameterObject*));           // expected-error {{'callback' argument at position 2 references unavailable implicit 'this'}}
+  __attribute__((callback(2, this))) void explicit_this_identifier(this ExplicitParameterObject* self, void (*callback)(ExplicitParameterObject*)); // expected-error {{'callback' argument at position 2 references unavailable implicit 'this'}}
+};