3 files changed, 51 insertions, 0 deletions
diff --git a/clang/test/Sema/builtins-wasm.c b/clang/test/Sema/builtins-wasm.c
index 31e5291..a3486b1 100644
--- a/clang/test/Sema/builtins-wasm.c
+++ b/clang/test/Sema/builtins-wasm.c
@@ -54,3 +54,27 @@ void test_table_copy(int dst_idx, int src_idx, int nelem) {
   __builtin_wasm_table_copy(table, table, dst_idx, src_idx, table);    // expected-error {{5th argument must be an integer}}
   __builtin_wasm_table_copy(table, table, dst_idx, src_idx, nelem);
 }
+
+typedef void (*F1)(void);
+typedef int (*F2)(int);
+typedef int (*F3)(__externref_t);
+typedef __externref_t (*F4)(int);
+
+void test_function_pointer_signature() {
+  // Test argument count validation
+  (void)__builtin_wasm_test_function_pointer_signature(); // expected-error {{too few arguments to function call, expected 1, have 0}}
+  (void)__builtin_wasm_test_function_pointer_signature((F1)0, (F2)0); // expected-error {{too many arguments to function call, expected 1, have 2}}
+
+  // // Test argument type validation - should require function pointer
+  (void)__builtin_wasm_test_function_pointer_signature((void*)0); // expected-error {{used type 'void *' where function pointer is required}}
+  (void)__builtin_wasm_test_function_pointer_signature((int)0);   // expected-error {{used type 'int' where function pointer is required}}
+  (void)__builtin_wasm_test_function_pointer_signature((F3)0);   // expected-error {{not supported for function pointers with a reference type parameter}}
+  (void)__builtin_wasm_test_function_pointer_signature((F4)0);   // expected-error {{not supported for function pointers with a reference type return value}}
+
+  // // Test valid usage
+  int res = __builtin_wasm_test_function_pointer_signature((F1)0);
+  res = __builtin_wasm_test_function_pointer_signature((F2)0);
+
+  // Test return type
+  _Static_assert(EXPR_HAS_TYPE(__builtin_wasm_test_function_pointer_signature((F1)0), int), "");
+}
diff --git a/clang/test/Sema/implicit-special-member-deprecated.cpp b/clang/test/Sema/implicit-special-member-deprecated.cpp
new file mode 100644
index 0000000..8e23404
--- /dev/null
+++ b/clang/test/Sema/implicit-special-member-deprecated.cpp
@@ -0,0 +1,24 @@
+// RUN: %clang_cc1 -std=c++20 -Wdeprecated-declarations -verify %s
+
+struct A {
+  [[deprecated("use something else")]] int x = 42; // expected-note {{marked deprecated here}}
+};
+
+A makeDefaultA() { return {}; }    // ctor is implicit → no warn
+A copyA(const A &a) { return a; }  // copy-ctor implicit → no warn
+
+void assignA() {
+  A a, b;
+  a = b;                           // copy-assign implicit → no warn
+}
+
+void useA() {
+  A a;
+  (void)a.x;                       // expected-warning {{is deprecated}}
+}
+
+// Explicitly-defaulted ctor – now silent
+struct B {
+  [[deprecated]] int y;
+  B() = default;                   // no warning under new policy
+};
diff --git a/clang/test/Sema/unsupported-arm-streaming.cpp b/clang/test/Sema/unsupported-arm-streaming.cpp
new file mode 100644
index 0000000..8693dd6
--- /dev/null
+++ b/clang/test/Sema/unsupported-arm-streaming.cpp
@@ -0,0 +1,3 @@
+// RUN: %clang_cc1 -x c -triple x86_64-pc-linux-gnu -fsyntax-only -verify %s
+
+void arm_streaming(void) __arm_streaming {} // expected-error {{'__arm_streaming' is not supported on this target}}