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// RUN: %clang_cc1 %s -fsyntax-only -verify
enum e0; // expected-note{{forward declaration of 'enum e0'}}
struct a {
int a : -1; // expected-error{{bit-field 'a' has negative width}}
// rdar://6081627
int b : 33; // expected-error{{size of bit-field 'b' (33 bits) exceeds size of its type (32 bits)}}
int c : (1 + 0.25); // expected-error{{expression is not an integer constant expression}}
int d : (int)(1 + 0.25);
// rdar://6138816
int e : 0; // expected-error {{bit-field 'e' has zero width}}
float xx : 4; // expected-error {{bit-field 'xx' has non-integral type}}
// PR3607
enum e0 f : 1; // expected-error {{field has incomplete type 'enum e0'}}
int g : (_Bool)1;
// PR4017
char : 10; // expected-error {{size of anonymous bit-field (10 bits) exceeds size of its type (8 bits)}}
unsigned : -2; // expected-error {{anonymous bit-field has negative width (-2)}}
float : 12; // expected-error {{anonymous bit-field has non-integral type 'float'}}
};
struct b {unsigned x : 2;} x;
__typeof__(x.x+1) y;
int y;
struct {unsigned x : 2;} x2;
__typeof__((x.x+=1)+1) y;
__typeof__((0,x.x)+1) y;
__typeof__(x.x<<1) y;
int y;
struct PR8025 {
double : 2; // expected-error{{anonymous bit-field has non-integral type 'double'}}
};
struct Test4 {
unsigned bitX : 4;
unsigned bitY : 4;
unsigned var;
};
void test4(struct Test4 *t) {
(void) sizeof(t->bitX); // expected-error {{invalid application of 'sizeof' to bit-field}}
(void) sizeof((t->bitY)); // expected-error {{invalid application of 'sizeof' to bit-field}}
(void) sizeof(t->bitX = 4); // not a bitfield designator in C
(void) sizeof(t->bitX += 4); // not a bitfield designator in C
(void) sizeof((void) 0, t->bitX); // not a bitfield designator in C
(void) sizeof(t->var ? t->bitX : t->bitY); // not a bitfield designator in C
(void) sizeof(t->var ? t->bitX : t->bitX); // not a bitfield designator in C
}
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