null-deref-path-notes.cpp
811 Bytes
// RUN: %clang_analyze_cc1 -w -x c++ -analyzer-checker=core -analyzer-output=text -verify %s
namespace pr34731 {
int b;
class c {
class B {
public:
double ***d;
B();
};
void e(double **, int);
void f(B &, int &);
};
// Properly track the null pointer in the array field back to the default
// constructor of 'h'.
void c::f(B &g, int &i) {
e(g.d[9], i); // expected-warning{{Array access (via field 'd') results in a null pointer dereference}}
// expected-note@-1{{Array access (via field 'd') results in a null pointer dereference}}
B h, a; // expected-note{{Value assigned to 'h.d'}}
a.d == __null; // expected-note{{Assuming the condition is true}}
a.d != h.d; // expected-note{{Assuming 'a.d' is equal to 'h.d'}}
f(h, b); // expected-note{{Calling 'c::f'}}
}
}