array-struct-region.c revision 23b736e159e72f0237a888a6d4f7319d7e9e8867 
1// RUN: %clang_cc1 -analyze -analyzer-experimental-checks -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-store=region -analyzer-constraints=basic -verify %s
2// RUN: %clang_cc1 -analyze -analyzer-experimental-checks -analyzer-experimental-internal-checks -analyzer-check-objc-mem -analyzer-store=region -analyzer-constraints=range -verify %s
3
4int string_literal_init() {
5  char a[] = "abc";
6  char b[2] = "abc"; // expected-warning{{too long}}
7  char c[5] = "abc";
8
9  if (a[1] != 'b')
10    return 0; // expected-warning{{never executed}}
11  if (b[1] != 'b')
12    return 0; // expected-warning{{never executed}}
13  if (c[1] != 'b')
14    return 0; // expected-warning{{never executed}}
15
16  if (a[3] != 0)
17    return 0; // expected-warning{{never executed}}
18  if (c[3] != 0)
19    return 0; // expected-warning{{never executed}}
20
21  if (c[4] != 0)
22    return 0; // expected-warning{{never executed}}
23
24  return 42;
25}
26