forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			52 lines
		
	
	
		
			986 B
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			52 lines
		
	
	
		
			986 B
		
	
	
	
		
			C++
		
	
	
	
//===----------------------------------------------------------------------===//
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//
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//                     The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <memory>
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// template <ObjectType T> T* addressof(T& r);
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#include <memory>
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#include <cassert>
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struct A
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{
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    void operator&() const {}
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};
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struct nothing {
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    operator char&()
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    {
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        static char c;
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        return c;
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    }
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};
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int main()
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{
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    {
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    int i;
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    double d;
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    assert(std::addressof(i) == &i);
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    assert(std::addressof(d) == &d);
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    A* tp = new A;
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    const A* ctp = tp;
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    assert(std::addressof(*tp) == tp);
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    assert(std::addressof(*ctp) == tp);
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    delete tp;
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    }
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    {
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    union
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    {
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        nothing n;
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        int i;
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    };
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    assert(std::addressof(n) == (void*)std::addressof(i));
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    }
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}
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