blob: be52d0bd844478c0ebbf2ddc6b336780f29757a9 [file] [log] [blame]
/* RUN: %clang_cc1 %s -fsyntax-only -pedantic -verify
*/
struct incomplete; // expected-note{{forward declaration of 'struct incomplete'}}
int sub1(int *a, double *b) {
return a - b; /* expected-error{{not pointers to compatible types}} */
}
void *sub2(struct incomplete *P) {
return P-4; /* expected-error{{arithmetic on a pointer to an incomplete type 'struct incomplete'}} */
}
void *sub3(void *P) {
return P-4; /* expected-warning{{arithmetic on a pointer to void is a GNU extension}} */
}
int sub4(void *P, void *Q) {
return P-Q; /* expected-warning{{arithmetic on pointers to void is a GNU extension}} */
}
int sub5(void *P, int *Q) {
return P-Q; /* expected-error{{not pointers to compatible types}} */
}
int logicaland1(int a) {
return a && (void)a; /* expected-error{{invalid operands}} */
}