67 lines
1.4 KiB
Objective-C
67 lines
1.4 KiB
Objective-C
// RUN: %clang_cc1 -fsyntax-only -verify %s
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@protocol P0
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@end
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@protocol P1
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@end
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@protocol P2
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@end
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@interface A <P0>
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@end
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@interface B : A
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@end
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void bar(id x);
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void barP0(id<P0> x);
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void barP1(id<P1> x);
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void barP2(id<P2> x);
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void f0(A *a) {
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id l = a;
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}
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void f1(id x, A *a) {
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id<P0> l = a;
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}
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void f2(id<P1> x) {
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id<P0> l = x; // expected-warning {{initializing 'id<P0>' with an expression of incompatible type 'id<P1>'}}
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}
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void f3(A *a) {
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id<P1> l = a; // expected-warning {{initializing 'id<P1>' with an expression of incompatible type 'A *'}}
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}
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void f4(int cond, id x, A *a) {
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bar(cond ? x : a);
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}
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void f5(int cond, A *a, B *b) {
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bar(cond ? a : b);
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}
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void f6(int cond, id x, A *a) {
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bar(cond ? (id<P0, P1>) x : a);
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}
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void f7(int cond, id x, A *a) {
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bar(cond ? a : (id<P0, P1>) x);
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}
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void f8(int cond, id<P0,P1> x0, id<P0,P2> x1) {
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barP0(cond ? x0 : x1); // expected-warning {{incompatible operand types ('id<P0,P1>' and 'id<P0,P2>')}}
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}
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void f9(int cond, id<P0,P1> x0, id<P0,P2> x1) {
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barP1(cond ? x0 : x1); // expected-warning {{incompatible operand types ('id<P0,P1>' and 'id<P0,P2>')}}
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}
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void f10(int cond, id<P0,P1> x0, id<P0,P2> x1) {
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barP2(cond ? x0 : x1); // expected-warning {{incompatible operand types ('id<P0,P1>' and 'id<P0,P2>')}}
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}
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int f11(int cond, A* a, B* b) {
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return (cond? b : a)->x; // expected-error{{'A' does not have a member named 'x'}}
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}
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