// { dg-options "-Wno-varargs" } // { dg-do compile } import core.stdc.stdarg; void error (int a) { va_list vp; va_start (vp, a); // { dg-error "used in function with fixed arguments" } } void warn (int a, int b, ...) { va_list vp; va_start (vp, a); // No warning because of -Wno-varargs in effect. va_end (vp); }