// RUN: %clang_cc1 -analyze -inline-call -analyzer-store region -analyze-function f2 -verify %s

int f1() {
  int y = 1;
  y++;
  return y;
}

void f2() {
  int x = 1;
  x = f1();
  if (x == 1) {
    int *p = 0;
    *p = 3; // no-warning
  }
  if (x == 2) {
    int *p = 0;
    *p = 3; // expected-warning{{Dereference of null pointer loaded from variable}}
  }
}
