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1// RUN: %clang_cc1 %s -emit-llvm -o - 2 3// crash due to forward-declared struct in protocol method parameter.4 5@protocol P6- (void) A:(struct z) z;7@end8@interface I < P >9@end10@implementation I11@end12 13@interface I214- (void) A:(struct z2) z2;15@end16@implementation I217@end18 19