forked from OSchip/llvm-project
18 lines
403 B
C
18 lines
403 B
C
// RUN: clang -checker-simple -verify %s
|
|
|
|
#include <stdlib.h>
|
|
|
|
int f1(int * p) {
|
|
|
|
// This branch should be infeasible
|
|
// because __imag__ p is 0.
|
|
if (!p && __imag__ (intptr_t) p)
|
|
*p = 1; // no-warning
|
|
|
|
// If p != 0 then this branch is feasible; otherwise it is not.
|
|
if (__real__ (intptr_t) p)
|
|
*p = 1; // no-warning
|
|
|
|
*p = 2; // expected-warning{{Dereference of null pointer}}
|
|
}
|