1*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -verify %s -triple x86_64-pc-win32 2*67e74705SXin Li foo(int a,...)3*67e74705SXin Livoid __attribute__((sysv_abi)) foo(int a, ...) { 4*67e74705SXin Li __builtin_va_list ap; 5*67e74705SXin Li __builtin_va_start(ap, a); // expected-error {{'va_start' used in System V ABI function}} 6*67e74705SXin Li } 7