text: // RUN: clang-cc -analyze -analyzer-experimental-internal-checks -checker-cfref -analyzer-store=region -verify %s
  
  char f1() {
    char* s = "abcd";
    char c = s[4]; // no-warning
    return s[5] + c; // expected-warning{{Access out-of-bound array element (buffer overflow)}}
  }
  