| // RUN: %clang_cc1 -fsyntax-only -std=c++03 -verify %s | |
| class string; | |
| void f(const string& s, ...) { // expected-note {{parameter of type 'const string &' is declared here}} | |
| __builtin_va_list ap; | |
| __builtin_va_start(ap, s); // expected-warning {{passing an object of reference type to 'va_start' has undefined behavior}} | |
| } | |
| void g(register int i, ...) { | |
| __builtin_va_list ap; | |
| __builtin_va_start(ap, i); // okay | |
| } |