| // Test this without pch. | 
 | // RUN: %clang_cc1 -fblocks -include %S/objc_exprs.h -fsyntax-only -verify %s | 
 |  | 
 | // Test with pch. | 
 | // RUN: %clang_cc1 -x objective-c-header -emit-pch -fblocks -o %t %S/objc_exprs.h | 
 | // RUN: %clang_cc1 -fblocks -include-pch %t -fsyntax-only -verify %s  | 
 |  | 
 | // Expressions | 
 | int *A1 = (objc_string)0;   // expected-warning {{aka 'NSString *'}} | 
 |  | 
 | char A2 = (objc_encode){};  // expected-error {{not a compile-time constant}} \ | 
 |                                expected-error {{char[2]}} | 
 |  | 
 | int *A3 = (objc_protocol)0; // expected-warning {{aka 'Protocol *'}} | 
 |  | 
 |  | 
 | // Types. | 
 | int *T0 = (objc_id_protocol_ty)0; // expected-warning {{aka 'id<foo>'}} | 
 |  | 
 | int *T1 = (objc_interface_ty)0; // expected-warning {{aka 'itf *'}} | 
 | int *T2 = (objc_qual_interface_ty)0; // expected-warning {{aka 'itf<foo> *'}} | 
 |  | 
 | objc_selector_noArgs s1; | 
 | objc_selector_oneArg s2; | 
 | objc_selector_twoArg s3; | 
 |  | 
 |  |