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https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk
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jeremybenn |
/* Ensure that we indeed cannot obtain the value of a message send
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if the chosen method signature returns 'void'. There used to
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exist a cheesy hack that allowed it. While at it, check that
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the first lexically occurring method signature gets picked
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when sending messages to 'id'. */
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/* Contributed by Ziemowit Laski <zlaski@apple.com> */
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/* { dg-do compile } */
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#include <objc/objc.h>
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@interface Object1
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- (void)initWithData:(Object1 *)data;
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@end
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@interface Object2
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- (id)initWithData:(Object1 *)data;
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@end
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@interface Object3
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- (id)initWithData:(Object2 *)data;
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@end
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void foo(void) {
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id obj1, obj2 = 0;
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obj2 = [obj1 initWithData: obj2];
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/* { dg-warning "multiple methods named .\\-initWithData:. found" "" { target *-*-* } 25 } */
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/* { dg-message "using .\\-\\(void\\)initWithData:\\(Object1 \\*\\)data." "" { target *-*-* } 12 } */
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/* { dg-message "also found .\\-\\(id\\)initWithData:\\(Object1 \\*\\)data." "" { target *-*-* } 16 } */
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/* { dg-message "also found .\\-\\(id\\)initWithData:\\(Object2 \\*\\)data." "" { target *-*-* } 20 } */
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/* The following error is a consequence of picking the "wrong" method signature. */
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/* { dg-error "void value not ignored as it ought to be" "" { target *-*-* } 25 } */
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}
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