1 // RUN: %clang_analyze_cc1 -w -x c++ -analyzer-checker=core -analyzer-output=text -verify %s
2
3 namespace pr34731 {
4 int b;
5 class c {
6 class B {
7 public:
8 double ***d;
9 B();
10 };
11 void e(double **, int);
12 void f(B &, int &);
13 };
14
15 // Properly track the null pointer in the array field back to the default
16 // constructor of 'h'.
f(B & g,int & i)17 void c::f(B &g, int &i) {
18 e(g.d[9], i); // expected-warning{{Array access (via field 'd') results in a null pointer dereference}}
19 // expected-note@-1{{Array access (via field 'd') results in a null pointer dereference}}
20 B h, a; // expected-note{{Value assigned to 'h.d'}}
21 a.d == __null; // expected-note{{Assuming the condition is true}}
22 a.d != h.d; // expected-note{{Assuming 'a.d' is equal to 'h.d'}}
23 f(h, b); // expected-note{{Calling 'c::f'}}
24 }
25 }
26