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			15 lines
		
	
	
		
			201 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			15 lines
		
	
	
		
			201 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
| //@ revisions: rpass cfail
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| 
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| enum A {
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|     //[cfail]~^ ERROR recursive types `A` and `C` have infinite size [E0072]
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|     B(C),
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| }
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| 
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| #[cfg(rpass)]
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| struct C(Box<A>);
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| 
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| #[cfg(cfail)]
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| struct C(A);
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| 
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| fn main() {}
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