16 lines · c
1// RUN: %clang_cc1 -verify -std=c2y -Wall -pedantic -ffreestanding %s2 3/* WG14 N3482: Yes4 * Slay Some Earthly Demons XVII5 *6 * This paper makes it a constraint violation to call va_start in a non-7 * variadic function. This is something Clang has always diagnosed.8 */9 10#include <stdarg.h>11 12void func(int a) {13 va_list list;14 va_start(list, a); // expected-error {{'va_start' used in function with fixed args}}15}16