test/BlocksRuntime/varargs-bad-assign.c

   1 //
   2 //                     The LLVM Compiler Infrastructure
   3 //
   4 // This file is distributed under the University of Illinois Open Source
   5 // License. See LICENSE.TXT for details.
   6
   7 //  -*- mode:C; c-basic-offset:4; tab-width:4; intent-tabs-mode:nil;  -*-
   8 // 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 TEST
   9 // CONFIG 27: error:
  10
  11 #import <stdio.h>
  12 #import <stdlib.h>
  13 #import <string.h>
  14 #import <stdarg.h>
  15
  16
  17 int main (int argc, const char * argv[]) {
  18     int (^sumn)(int n, ...);
  19     int six = 0;
  20
  21     sumn = ^(int a, int b, int n, ...){
  22         int result = 0;
  23         va_list numbers;
  24         int i;
  25
  26         va_start(numbers, n);
  27         for (i = 0 ; i < n ; i++) {
  28             result += va_arg(numbers, int);
  29         }
  30         va_end(numbers);
  31
  32         return result;
  33     };
  34
  35     six = sumn(3, 1, 2, 3);
  36
  37     if ( six != 6 ) {
  38         printf("%s: Expected 6 but got %d\n", argv[0], six);
  39         exit(1);
  40     }
  41
  42     printf("%s: success\n", argv[0]);
  43     return 0;
  44 }