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// RUN: %clang_analyze_cc1 -analyzer-checker=core -verify %s
struct A {
int a;
struct {
struct {
int b;
union {
int c;
};
};
};
};
int testCrash() {
int *x = 0;
int A::*ap = &A::a;
if (ap) // no crash
return *x; // expected-warning{{Dereference of null pointer (loaded from variable 'x')}}
return 10;
}
int testIndirectCrash() {
int *x = 0;
int A::*cp = &A::c;
if (cp) // no crash
return *x; // expected-warning{{Dereference of null pointer (loaded from variable 'x')}}
return 10;
}
// PR46264
// This case shall not crash with an assertion failure about void* dereferening.
namespace ns1 {
namespace a {
class b {
public:
typedef int b::*c;
operator c() { return d ? &b::d : 0; }
int d;
};
} // namespace a
using a::b;
class e {
void f();
void g();
b h;
};
void e::f() {
e *i;
if (h)
i->g(); // expected-warning{{Called C++ object pointer is uninitialized}}
}
} // namespace ns1
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