// RUN: %clang_cc1 -analyze -analyzer-checker=core -analyzer-store=region -analyzer-constraints=range -verify -Wno-unreachable-code -ffreestanding %s | |
#include <stdint.h> | |
void 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}} | |
} |