// RUN: %clang_cc1 -verify -Wclass-varargs -std=c++98 %s // RUN: %clang_cc1 -verify -Wclass-varargs -std=c++11 %s struct A {}; struct B { ~B(); }; class C { char *c_str(); }; struct D { char *c_str(); }; struct E { E(); }; struct F { F(); char *c_str(); }; void v(...); void w(const char*, ...) __attribute__((format(printf, 1, 2))); void test(A a, B b, C c, D d, E e, F f) { v(a); // expected-warning-re {{passing object of class type 'A' through variadic function{{$}}}} v(b); // expected-error-re {{cannot pass object of non-{{POD|trivial}} type 'B' through variadic function; call will abort at runtime}} v(c); // expected-warning {{passing object of class type 'C' through variadic function; did you mean to call '.c_str()'?}} v(d); // expected-warning {{passing object of class type 'D' through variadic function; did you mean to call '.c_str()'?}} v(e); v(f); #if __cplusplus < 201103L // expected-error@-3 {{cannot pass object of non-POD type 'E' through variadic function; call will abort at runtime}} // expected-error@-3 {{cannot pass object of non-POD type 'F' through variadic function; call will abort at runtime}} #else // expected-warning-re@-6 {{passing object of class type 'E' through variadic function{{$}}}} // expected-warning@-6 {{passing object of class type 'F' through variadic function; did you mean to call '.c_str()'?}} #endif v(d.c_str()); v(f.c_str()); v(0); v('x'); w("%s", a); // expected-warning {{format specifies type 'char *' but the argument has type 'A'}} w("%s", b); // expected-error-re {{cannot pass non-{{POD|trivial}} object of type 'B' to variadic function; expected type from format string was 'char *'}} w("%s", c); // expected-warning {{format specifies type 'char *' but the argument has type 'C'}} w("%s", d); // expected-warning {{format specifies type 'char *' but the argument has type 'D'}} w("%s", e); w("%s", f); #if __cplusplus < 201103L // expected-error@-3 {{cannot pass non-POD object of type 'E' to variadic function; expected type from format string was 'char *'}} // expected-error@-3 {{cannot pass non-POD object of type 'F' to variadic function; expected type from format string was 'char *'}} // expected-note@-4 {{did you mean to call the c_str() method?}} #else // expected-warning@-7 {{format specifies type 'char *' but the argument has type 'E'}} // expected-warning@-7 {{format specifies type 'char *' but the argument has type 'F'}} #endif }