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			26 lines
		
	
	
		
			362 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			26 lines
		
	
	
		
			362 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
| //@ compile-flags: -O
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| 
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| #![crate_type = "lib"]
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| 
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| // CHECK-LABEL: @test
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| // CHECK-NEXT: start:
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| // CHECK-NEXT: tail call void @ext_fn0()
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| #[no_mangle]
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| pub fn test() {
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|     test_inner(Some(inner0));
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| }
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| 
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| fn test_inner(f_maybe: Option<fn()>) {
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|     if let Some(f) = f_maybe {
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|         f();
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|     }
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| }
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| 
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| fn inner0() {
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|     unsafe { ext_fn0() };
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| }
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| 
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| extern "C" {
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|     fn ext_fn0();
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| }
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