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