3 void swallow (const char *x) { (void)x; }  in swallow()  function
8   swallow("Hello world!" + 6); // no-warning  in test_pointer_arithmetic()
9   swallow("Hello world!" - 6); // expected-warning {{refers before the beginning of the array}}  in test_pointer_arithmetic()
10   swallow("Hello world!" + 14); // expected-warning {{refers past the end of the array}}  in test_pointer_arithmetic()
11   swallow("Hello world!" + 13); // no-warning  in test_pointer_arithmetic()
13   swallow(hello + 6); // no-warning  in test_pointer_arithmetic()
14   swallow(hello - 6); // expected-warning {{refers before the beginning of the array}}  in test_pointer_arithmetic()
15   swallow(hello + 14); // expected-warning {{refers past the end of the array}}  in test_pointer_arithmetic()
16   swallow(hello + 13); // no-warning  in test_pointer_arithmetic()
18   swallow(helloptr + 6); // no-warning  in test_pointer_arithmetic()
19   swallow(helloptr - 6); // no-warning  in test_pointer_arithmetic()
20   swallow(helloptr + 14); // no-warning  in test_pointer_arithmetic()
21   swallow(helloptr + 13); // no-warning  in test_pointer_arithmetic()
24   swallow((char*)numbers + sizeof(double)); // no-warning  in test_pointer_arithmetic()
25   swallow((char*)numbers + 60); // expected-warning {{refers past the end of the array}}  in test_pointer_arithmetic()
29   swallow(buffer + sizeof("Hello")-1); // expected-warning {{refers past the end of the array}}  in test_pointer_arithmetic()
30   swallow(buffer + (sizeof("Hello")-1)); // no-warning  in test_pointer_arithmetic()
31 …if (n > 0 && n <= 6) swallow(buffer + 6 - n); // expected-warning {{refers past the end of the arr…  in test_pointer_arithmetic()
32   if (n > 0 && n <= 6) swallow(buffer + (6 - n)); // no-warning  in test_pointer_arithmetic()