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1// RUN: %clang_cc1 -verify -fsyntax-only %s2 3// expected-error@+1 {{'swift_attr' attribute takes one argument}}4__attribute__((swift_attr))5@interface I6@end7 8// expected-error@+1 {{expected string literal as argument of 'swift_attr' attribute}}9__attribute__((swift_attr(1)))10@interface J11@end12 13@interface Error<T: __attribute__((swift_attr(1))) id>14// expected-error@-1 {{expected string literal as argument of 'swift_attr' attribute}}15@end16