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// CONFIG error: incompatible block pointer types assigning 9 10#import <stdio.h> 11#import <stdlib.h> 12 13int main(int argc, char *argv[]) { 14#ifndef __cplusplus 15 char (^rot13)(); 16 rot13 = ^(char c) { return (char)(((c - 'a' + 13) % 26) + 'a'); }; 17 char n = rot13('a'); 18 char c = rot13('p'); 19 if ( n != 'n' || c != 'c' ) { 20 printf("%s: rot13('a') returned %c, rot13('p') returns %c\n", argv[0], n, c); 21 exit(1); 22 } 23#else 24// yield characteristic error message for C++ 25#error incompatible block pointer types assigning 26#endif 27#ifndef __clang__ 28// yield characteristic error message for C++ 29#error incompatible block pointer types assigning 30#endif 31 printf("%s: success\n", argv[0]); 32 exit(0); 33} 34