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 13 int 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
