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// RUN: %clang_analyze_cc1 -analyze -analyzer-checker core -analyzer-config cfg-temporary-dtors=true,c++-temp-dtor-inlining=true -analyzer-output=text -verify %s
namespace test_simple_temporary {
class C {
int x;
public:
C(int x): x(x) {} // expected-note{{The value 0 is assigned to field 'x'}}
~C() { x = 1 / x; } // expected-warning{{Division by zero}}
// expected-note@-1{{Division by zero}}
};
void test() {
C(0); // expected-note {{Passing the value 0 via 1st parameter 'x'}}
// expected-note@-1{{Calling constructor for 'C'}}
// expected-note@-2{{Returning from constructor for 'C'}}
// expected-note@-3{{Calling '~C'}}
}
} // end namespace test_simple_temporary
namespace test_lifetime_extended_temporary {
class C {
int x;
public:
C(int x): x(x) {} // expected-note{{The value 0 is assigned to field 'x'}}
void nop() const {}
~C() { x = 1 / x; } // expected-warning{{Division by zero}}
// expected-note@-1{{Division by zero}}
};
void test(int coin) {
// We'd divide by zero in the automatic destructor for variable 'c'.
const C &c = coin ? C(1) : C(0); // expected-note {{Assuming 'coin' is 0}}
// expected-note@-1{{'?' condition is false}}
// expected-note@-2{{Passing the value 0 via 1st parameter 'x'}}
// expected-note@-3{{Calling constructor for 'C'}}
// expected-note@-4{{Returning from constructor for 'C'}}
c.nop();
} // expected-note{{Calling '~C'}}
} // end namespace test_lifetime_extended_temporary
namespace test_bug_after_dtor {
int glob;
class C {
public:
C() { glob += 1; }
~C() { glob -= 2; } // expected-note{{The value 0 is assigned to 'glob'}}
};
void test() {
glob = 1;
C(); // expected-note {{Calling '~C'}}
// expected-note@-1{{Returning from '~C'}}
glob = 1 / glob; // expected-warning{{Division by zero}}
// expected-note@-1{{Division by zero}}
}
} // end namespace test_bug_after_dtor
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