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			20 lines
		
	
	
		
			429 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			20 lines
		
	
	
		
			429 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
// This test checks that `VecDeque::front[_mut]()` and `VecDeque::back[_mut]()` can't panic.
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// compile-flags: -O
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// ignore-debug: the debug assertions get in the way
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#![crate_type = "lib"]
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use std::collections::VecDeque;
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// CHECK-LABEL: @dont_panic
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#[no_mangle]
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pub fn dont_panic(v: &mut VecDeque<usize>) {
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    // CHECK-NOT: expect
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    // CHECK-NOT: panic
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    v.front();
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    v.front_mut();
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    v.back();
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    v.back_mut();
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}
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