1*67e74705SXin Li// RUN: %clang_cc1 %s -emit-llvm -o - 2*67e74705SXin Li 3*67e74705SXin Li// <rdar://problem/9123036> crash due to forward-declared struct in 4*67e74705SXin Li// protocol method parameter. 5*67e74705SXin Li 6*67e74705SXin Li@protocol P 7*67e74705SXin Li- (void) A:(struct z) z; 8*67e74705SXin Li@end 9*67e74705SXin Li@interface I < P > 10*67e74705SXin Li@end 11*67e74705SXin Li@implementation I 12*67e74705SXin Li@end 13*67e74705SXin Li 14*67e74705SXin Li@interface I2 15*67e74705SXin Li- (void) A:(struct z2) z2; 16*67e74705SXin Li@end 17*67e74705SXin Li@implementation I2 18*67e74705SXin Li@end 19*67e74705SXin Li 20