57 lines
1.9 KiB
C
57 lines
1.9 KiB
C
// 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
|
|
}
|