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 int b : 33; // expected-error{{width of bit-field 'b' (33 bits) exceeds the width of its type (32 bits)}} 8 9 int c : (1 + 0.25); // expected-error{{integer constant expression must have integer type}} 10 int d : (int)(1 + 0.25); 11 12 int e : 0; // expected-error {{bit-field 'e' has zero width}} 13} 14@end 15 16@interface Base { 17 int i; 18} 19@end 20 21@interface WithBitFields: Base { 22 void *isa; // expected-note {{previous definition is here}} 23 unsigned a: 5; 24 signed b: 4; 25 int c: 5; // expected-note {{previous definition is here}} 26} 27@end 28 29@implementation WithBitFields { 30 char *isa; // expected-error {{instance variable 'isa' has conflicting type: 'char *' vs 'void *'}} 31 unsigned a: 5; 32 signed b: 4; 33 int c: 3; // expected-error {{instance variable 'c' has conflicting bit-field width}} 34} 35@end 36