1 // RUN: %clang_cc1 -fsyntax-only -verify %s
30 int& f(A*); // expected-note {{candidate}}
31 float& f(B*); // expected-note {{candidate}}
34 int& h(A*); // expected-note{{candidate}}
35 float& h(id); // expected-note{{candidate}}
37 void test0(A* a, B* b, id val) {
41 // GCC succeeds here, which is clearly ridiculous.
42 float& f2 = f(val); // expected-error {{ambiguous}}
50 // FIXME: we match GCC here, but shouldn't this work?
51 int& i3 = h(b); // expected-error{{call to 'h' is ambiguous}}
55 B* b = a; // expected-warning{{incompatible pointer types initializing 'A *' with an expression of type 'B *'}}
56 B *c; c = a; // expected-warning{{incompatible pointer types assigning to 'A *' from 'B *'}}
60 B** bp = ap; // expected-warning{{incompatible pointer types initializing 'A **' with an expression of type 'B **'}}
61 bp = ap; // expected-warning{{incompatible pointer types assigning to 'A **' from 'B **'}}
64 // FIXME: we should either allow overloading here or give a better diagnostic
65 int& cv(A*); // expected-note {{previous declaration}} expected-note 2 {{not viable}}
66 float& cv(const A*); // expected-error {{cannot be overloaded}}
69 float& cv2(const void*);
71 void cv_test(A* a, B* b, const A* ac, const B* bc) {
74 float &f1 = cv(ac); // expected-error {{no matching function}}
75 float &f2 = cv(bc); // expected-error {{no matching function}}
80 // We agree with GCC that these can't be overloaded.
81 int& qualid(id<P0>); // expected-note {{previous declaration}} expected-note {{not viable}}
82 float& qualid(id<P1>); // expected-error {{cannot be overloaded}}
84 void qualid_test(A *a, B *b, C *c) {
88 // This doesn't work only because the overload was rejected above.
89 float& f1 = qualid(c); // expected-error {{no matching function}}
98 void (*throw_exc)(id);
100 objc_exception_functions_t;
102 void (*_NSExceptionRaiser(void))(NSException *) {
103 objc_exception_functions_t exc_funcs;
104 return exc_funcs.throw_exc; // expected-warning{{incompatible pointer types returning 'void (*)(id)' from a function with result type 'void (*)(NSException *)'}}
116 // rdar://problem/8592139
117 // FIXME: this should resolve to the unavailable candidate
119 void foo(id); // expected-note {{candidate}}
120 void foo(A*) __attribute__((unavailable)); // expected-note {{explicitly made unavailable}}
123 foo(b); // expected-error {{call to 'foo' is ambiguous}}
127 namespace rdar8714395 {
129 float &f(const Foo*);
131 int &f2(const void*);
132 float &f2(Foo const* const *);
134 int &f3(const void*);
135 float &f3(Foo const**);
146 namespace rdar8734046 {