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			21 lines
		
	
	
		
			536 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			21 lines
		
	
	
		
			536 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
| // check-pass
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| // compile-flags: -Zdeduplicate-diagnostics=yes
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| 
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| const fn foo<T>() -> usize {
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|     // We might instead branch on `std::mem::size_of::<*mut T>() < 8` here,
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|     // which would cause this function to fail on 32 bit systems.
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|     if false {
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|         std::mem::size_of::<T>()
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|     } else {
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|         8
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|     }
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| }
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| 
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| fn test<T>() {
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|     let _ = [0; foo::<T>()];
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|     //~^ WARN cannot use constants which depend on generic parameters in types
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|     //~| WARN this was previously accepted by the compiler but is being phased out
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| }
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| 
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| fn main() {}
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