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1//2// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.3// See https://llvm.org/LICENSE.txt for license information.4// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception5 6// -*- mode:C; c-basic-offset:4; tab-width:4; intent-tabs-mode:nil; -*-7// HACK ALERT: gcc and g++ give different errors, referencing the line number to ensure that it checks for the right error; MUST KEEP IN SYNC WITH THE TEST8// CONFIG 27: error:9 10#import <stdio.h>11#import <stdlib.h>12#import <string.h>13#import <stdarg.h>14 15 16int main (int argc, const char * argv[]) {17 int (^sumn)(int n, ...);18 int six = 0;19 20 sumn = ^(int a, int b, int n, ...){21 int result = 0;22 va_list numbers;23 int i;24 25 va_start(numbers, n);26 for (i = 0 ; i < n ; i++) {27 result += va_arg(numbers, int);28 }29 va_end(numbers);30 31 return result;32 };33 34 six = sumn(3, 1, 2, 3);35 36 if ( six != 6 ) {37 printf("%s: Expected 6 but got %d\n", argv[0], six);38 exit(1);39 }40 41 printf("%s: success\n", argv[0]);42 return 0;43}44