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			14 lines
		
	
	
		
			346 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			14 lines
		
	
	
		
			346 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
#![allow(dead_code)]
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use std::panic::UnwindSafe;
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use std::sync::Arc;
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use std::cell::RefCell;
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fn assert<T: UnwindSafe + ?Sized>() {}
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fn main() {
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    assert::<Arc<RefCell<i32>>>();
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    //~^ ERROR the type `UnsafeCell<i32>` may contain interior mutability and a
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    //~| ERROR the type `UnsafeCell<isize>` may contain interior mutability and a
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}
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