31 lines
1.1 KiB
Objective-C
31 lines
1.1 KiB
Objective-C
// RUN: %clang_cc1 -fsyntax-only -verify %s
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@protocol Foo;
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Class T;
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id<Foo> S;
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id R;
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void foo() {
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// Test assignment compatibility of Class and id. No warning should be
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// produced.
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// rdar://6770142 - Class and id<foo> are compatible.
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S = T; // expected-warning {{incompatible pointer types assigning to 'id<Foo>' from 'Class'}}
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T = S; // expected-warning {{incompatible pointer types assigning to 'Class' from 'id<Foo>'}}
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R = T; T = R;
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R = S; S = R;
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}
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// Test attempt to redefine 'id' in an incompatible fashion.
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// rdar://11356439
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typedef int id; // expected-error {{typedef redefinition with different types ('int' vs 'id')}}
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id b;
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typedef double id; // expected-error {{typedef redefinition with different types ('double' vs 'id')}}
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typedef char *id; // expected-error {{typedef redefinition with different types ('char *' vs 'id')}}
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typedef union U{ int iu; } *id; // expected-error {{typedef redefinition with different types ('union U *' vs 'id')}}
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void test11356439(id o) {
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o->x; // expected-error {{member reference base type 'id' is not a structure or union}}
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}
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