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/* RUN: clang %s -fsyntax-only -pedantic -verify
*/
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{{not a complete object type}} */
}
void *sub3(void *P) {
return P-4; /* expected-warning{{GNU void* extension}} */
}
int sub4(void *P, void *Q) {
return P-Q; /* expected-warning{{GNU void* extension}} */
}
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