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// RUN: %clang_cc1 -verify -fsyntax-only %s
// expected-error@+1 {{'__swift_bridge__' attribute takes one argument}}
__attribute__((__swift_bridge__))
@interface I
@end
// expected-error@+1 {{expected string literal as argument of '__swift_bridge__' attribute}}
__attribute__((__swift_bridge__(1)))
@interface J
@end
// expected-error@+1 {{'__swift_bridge__' attribute takes one argument}}
__attribute__((__swift_bridge__("K", 1)))
@interface K
@end
@interface L
// expected-error@+1 {{'__swift_bridge__' attribute only applies to tag types, typedefs, Objective-C interfaces, and Objective-C protocols}}
- (void)method __attribute__((__swift_bridge__("method")));
@end
__attribute__((__swift_bridge__("Array")))
@interface NSArray
@end
__attribute__((__swift_bridge__("ProtocolP")))
@protocol P
@end
typedef NSArray *NSArrayAlias __attribute__((__swift_bridge__("ArrayAlias")));
struct __attribute__((__swift_bridge__("StructT"))) T {};
// Duplicate attributes with the same arguments are fine.
struct __attribute__((swift_bridge("foo"), swift_bridge("foo"))) S;
// Duplicate attributes with different arguments are not.
struct __attribute__((swift_bridge("foo"), swift_bridge("bar"))) S; // expected-warning {{attribute 'swift_bridge' is already applied with different arguments}}
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