varargs.c revision 6eda8c9cefb498ac8403bc65854e6ce411a07855 
1// RUN: clang -fsyntax-only -verify %s
2
3void f1(int a)
4{
5    __builtin_va_list ap;
6
7    __builtin_va_start(ap, a, a); // expected-error {{too many arguments to function}}
8    __builtin_va_start(ap, a); // expected-error {{'va_start' used in function with fixed args}}
9}
10
11void f2(int a, int b, ...)
12{
13    __builtin_va_list ap;
14
15    __builtin_va_start(ap, 10); // expected-warning {{second parameter of 'va_start' not last named argument}}
16    __builtin_va_start(ap, a); // expected-warning {{second parameter of 'va_start' not last named argument}}
17    __builtin_va_start(ap, b);
18}
19