forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			38 lines
		
	
	
		
			788 B
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			38 lines
		
	
	
		
			788 B
		
	
	
	
		
			C
		
	
	
	
//
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//                     The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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/*
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 *  copynull.c
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 *  testObjects
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 *
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 *  Created by Blaine Garst on 10/15/08.
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 *
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 */
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#import <stdio.h>
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#import <Block.h>
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#import <Block_private.h>
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// CONFIG rdar://6295848
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int main(int argc, char *argv[]) {
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    void (^block)(void) = (void (^)(void))0;
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    void (^blockcopy)(void) = Block_copy(block);
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    if (blockcopy != (void (^)(void))0) {
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        printf("whoops, somehow we copied NULL!\n");
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        return 1;
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    }
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    // make sure we can also
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    Block_release(blockcopy);
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    // and more secretly
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    //_Block_destroy(blockcopy);
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    printf("%s: success\n", argv[0]);
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    return 0;
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}
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