llvm-project/compiler-rt/test/BlocksRuntime/varargs-bad-assign.c

44 lines
1.1 KiB
C

//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// -*- mode:C; c-basic-offset:4; tab-width:4; intent-tabs-mode:nil; -*-
// 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
// CONFIG 27: error:
#import <stdio.h>
#import <stdlib.h>
#import <string.h>
#import <stdarg.h>
int main (int argc, const char * argv[]) {
int (^sumn)(int n, ...);
int six = 0;
sumn = ^(int a, int b, int n, ...){
int result = 0;
va_list numbers;
int i;
va_start(numbers, n);
for (i = 0 ; i < n ; i++) {
result += va_arg(numbers, int);
}
va_end(numbers);
return result;
};
six = sumn(3, 1, 2, 3);
if ( six != 6 ) {
printf("%s: Expected 6 but got %d\n", argv[0], six);
exit(1);
}
printf("%s: success\n", argv[0]);
return 0;
}