Add the clang library to the repo (with some of my changes, too).

1 files changed, 50 insertions, 0 deletions

diff --git a/clang/test/SemaObjCXX/instantiate-message.mm b/clang/test/SemaObjCXX/instantiate-message.mm
new file mode 100644
index 0000000..e09b182
--- /dev/null
+++ b/clang/test/SemaObjCXX/instantiate-message.mm
@@ -0,0 +1,50 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+// Test template instantiation of Objective-C message sends.
+
+@interface ClassMethods
++ (ClassMethods *)method1:(void*)ptr;
+@end
+
+template<typename T>
+struct identity {
+  typedef T type;
+};
+
+template<typename R, typename T, typename Arg1>
+void test_class_method(Arg1 arg1) {
+  R *result1 = [T method1:arg1];
+  R *result2 = [typename identity<T>::type method1:arg1];
+  R *result3 = [ClassMethods method1:arg1]; // expected-error{{cannot initialize a variable of type 'ClassMethods2 *' with an rvalue of type 'ClassMethods *'}}
+}
+
+template void test_class_method<ClassMethods, ClassMethods>(void*);
+template void test_class_method<ClassMethods, ClassMethods>(int*);
+
+@interface ClassMethods2
++ (ClassMethods2 *)method1:(int*)ptr;
+@end
+
+template void test_class_method<ClassMethods2, ClassMethods2>(int*); // expected-note{{in instantiation of}}
+
+
+@interface InstanceMethods
+- (InstanceMethods *)method1:(void*)ptr;
+@end
+
+template<typename R, typename T, typename Arg1>
+void test_instance_method(Arg1 arg1) {
+  T *receiver = 0;
+  InstanceMethods *im = 0;
+  R *result1 = [receiver method1:arg1];
+  R *result2 = [im method1:arg1]; // expected-error{{cannot initialize a variable of type 'InstanceMethods2 *' with an rvalue of type 'InstanceMethods *'}}
+}
+
+template void test_instance_method<InstanceMethods, InstanceMethods>(void*);
+template void test_instance_method<InstanceMethods, InstanceMethods>(int*);
+
+@interface InstanceMethods2
+- (InstanceMethods2 *)method1:(void*)ptr;
+@end
+
+template void test_instance_method<InstanceMethods2, InstanceMethods2>(int*); // expected-note{{in instantiation of}}