1 | // RUN: %clang_cc1 %s -fsyntax-only -verify -Wcall-to-pure-virtual-from-ctor-dtor |
2 | struct A { |
3 | A() { f(); } // expected-warning {{call to pure virtual member function 'f' has undefined behavior; overrides of 'f' in subclasses are not available in the constructor of 'A'}} |
4 | ~A() { f(); } // expected-warning {{call to pure virtual member function 'f' has undefined behavior; overrides of 'f' in subclasses are not available in the destructor of 'A'}} |
5 | |
6 | virtual void f() = 0; // expected-note 2 {{'f' declared here}} |
7 | }; |
8 | |
9 | // Don't warn (or note) when calling the function on a pointer. (PR10195) |
10 | struct B { |
11 | A *a; |
12 | B() { a->f(); }; |
13 | ~B() { a->f(); }; |
14 | }; |
15 | |
16 | // Don't warn if the call is fully qualified. (PR23215) |
17 | struct C { |
18 | virtual void f() = 0; |
19 | C() { |
20 | C::f(); |
21 | } |
22 | }; |
23 | |