15 lines
725 B
C
15 lines
725 B
C
// RUN: %clang_cc1 %s -verify
|
|
|
|
#define SOME_ADDR (unsigned long long)0
|
|
|
|
// PR10837: Warn if a non-pointer-typed expression is folded to a null pointer
|
|
int *p = 0;
|
|
int *q = '\0'; // expected-warning{{expression which evaluates to zero treated as a null pointer constant}}
|
|
int *r = (1 - 1); // expected-warning{{expression which evaluates to zero treated as a null pointer constant}}
|
|
void f() {
|
|
p = 0;
|
|
q = '\0'; // expected-warning{{expression which evaluates to zero treated as a null pointer constant}}
|
|
r = 1 - 1; // expected-warning{{expression which evaluates to zero treated as a null pointer constant}}
|
|
p = SOME_ADDR; // expected-warning{{expression which evaluates to zero treated as a null pointer constant}}
|
|
}
|