1 // RUN: %clang_cc1 %s -fobjc-runtime=macosx-fragile-10.5 -fsyntax-only -verify 2 3 @interface X 4 { 5 int a : -1; // expected-error{{bit-field 'a' has negative width}} 6 7 // rdar://6081627 8 int b : 33; // expected-error{{width of bit-field 'b' (33 bits) exceeds width of its type (32 bits)}} 9 10 int c : (1 + 0.25); // expected-error{{expression is not an integer constant expression}} 11 int d : (int)(1 + 0.25); 12 13 // rdar://6138816 14 int e : 0; // expected-error {{bit-field 'e' has zero width}} 15 } 16 @end 17 18 @interface Base { 19 int i; 20 } 21 @end 22 23 @interface WithBitFields: Base { 24 void *isa; // expected-note {{previous definition is here}} 25 unsigned a: 5; 26 signed b: 4; 27 int c: 5; // expected-note {{previous definition is here}} 28 } 29 @end 30 31 @implementation WithBitFields { 32 char *isa; // expected-error {{instance variable 'isa' has conflicting type: 'char *' vs 'void *'}} 33 unsigned a: 5; 34 signed b: 4; 35 int c: 3; // expected-error {{instance variable 'c' has conflicting bit-field width}} 36 } 37 @end 38
