18 lines · cpp
1// RUN: %clang_cc1 -fsyntax-only -verify %s2 3class A1 {};4class B1; // expected-note{{'B1' is not defined, but forward declared here; conversion would be valid if it was derived from 'A1'}}5B1 *b1;6A1 *a1 = b1; // expected-error{{cannot initialize a variable of type 'A1 *' with an lvalue of type 'B1 *'}}7 8template <class C> class A2 {};9template <class C> class B2;10B2<int> *b2;11A2<int> *a2 = b2; // expected-error{{cannot initialize a variable of type 'A2<int> *' with an lvalue of type 'B2<int> *'}}12 13typedef struct S s;14const s *f();15s *g1() { return f(); } // expected-error{{cannot initialize return object of type 's *' (aka 'struct S *') with an rvalue of type 'const s *' (aka 'const struct S *')}}16 17B1 *g2() { return f(); } // expected-error{{cannot initialize return object of type 'B1 *' with an rvalue of type 'const s *' (aka 'const struct S *')}}18