mirror of
				https://github.com/rust-lang/rust.git
				synced 2025-10-31 13:04:42 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			92 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			92 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			Rust
		
	
	
	
	
	
| //
 | |
| // compile-flags:-Zprint-mono-items=eager
 | |
| // compile-flags:-Zinline-in-all-cgus
 | |
| 
 | |
| #![deny(dead_code)]
 | |
| #![feature(start)]
 | |
| 
 | |
| struct StructWithDrop<T1, T2> {
 | |
|     x: T1,
 | |
|     y: T2,
 | |
| }
 | |
| 
 | |
| impl<T1, T2> Drop for StructWithDrop<T1, T2> {
 | |
|     fn drop(&mut self) {}
 | |
| }
 | |
| 
 | |
| struct StructNoDrop<T1, T2> {
 | |
|     x: T1,
 | |
|     y: T2,
 | |
| }
 | |
| 
 | |
| enum EnumWithDrop<T1, T2> {
 | |
|     A(T1),
 | |
|     B(T2)
 | |
| }
 | |
| 
 | |
| impl<T1, T2> Drop for EnumWithDrop<T1, T2> {
 | |
|     fn drop(&mut self) {}
 | |
| }
 | |
| 
 | |
| enum EnumNoDrop<T1, T2> {
 | |
|     A(T1),
 | |
|     B(T2)
 | |
| }
 | |
| 
 | |
| 
 | |
| struct NonGenericNoDrop(#[allow(unused_tuple_struct_fields)] i32);
 | |
| 
 | |
| struct NonGenericWithDrop(#[allow(unused_tuple_struct_fields)] i32);
 | |
| //~ MONO_ITEM fn std::ptr::drop_in_place::<NonGenericWithDrop> - shim(Some(NonGenericWithDrop)) @@ generic_drop_glue-cgu.0[Internal]
 | |
| 
 | |
| impl Drop for NonGenericWithDrop {
 | |
|     //~ MONO_ITEM fn <NonGenericWithDrop as std::ops::Drop>::drop
 | |
|     fn drop(&mut self) {}
 | |
| }
 | |
| 
 | |
| //~ MONO_ITEM fn start
 | |
| #[start]
 | |
| fn start(_: isize, _: *const *const u8) -> isize {
 | |
|     //~ MONO_ITEM fn std::ptr::drop_in_place::<StructWithDrop<i8, char>> - shim(Some(StructWithDrop<i8, char>)) @@ generic_drop_glue-cgu.0[Internal]
 | |
|     //~ MONO_ITEM fn <StructWithDrop<i8, char> as std::ops::Drop>::drop
 | |
|     let _ = StructWithDrop { x: 0i8, y: 'a' }.x;
 | |
| 
 | |
|     //~ MONO_ITEM fn std::ptr::drop_in_place::<StructWithDrop<&str, NonGenericNoDrop>> - shim(Some(StructWithDrop<&str, NonGenericNoDrop>)) @@ generic_drop_glue-cgu.0[Internal]
 | |
|     //~ MONO_ITEM fn <StructWithDrop<&str, NonGenericNoDrop> as std::ops::Drop>::drop
 | |
|     let _ = StructWithDrop { x: "&str", y: NonGenericNoDrop(0) }.y;
 | |
| 
 | |
|     // Should produce no drop glue
 | |
|     let _ = StructNoDrop { x: 'a', y: 0u32 }.x;
 | |
| 
 | |
|     // This is supposed to generate drop-glue because it contains a field that
 | |
|     // needs to be dropped.
 | |
|     //~ MONO_ITEM fn std::ptr::drop_in_place::<StructNoDrop<NonGenericWithDrop, f64>> - shim(Some(StructNoDrop<NonGenericWithDrop, f64>)) @@ generic_drop_glue-cgu.0[Internal]
 | |
|     let _ = StructNoDrop { x: NonGenericWithDrop(0), y: 0f64 }.y;
 | |
| 
 | |
|     //~ MONO_ITEM fn std::ptr::drop_in_place::<EnumWithDrop<i32, i64>> - shim(Some(EnumWithDrop<i32, i64>)) @@ generic_drop_glue-cgu.0[Internal]
 | |
|     //~ MONO_ITEM fn <EnumWithDrop<i32, i64> as std::ops::Drop>::drop
 | |
|     let _ = match EnumWithDrop::A::<i32, i64>(0) {
 | |
|         EnumWithDrop::A(x) => x,
 | |
|         EnumWithDrop::B(x) => x as i32
 | |
|     };
 | |
| 
 | |
|     //~ MONO_ITEM fn std::ptr::drop_in_place::<EnumWithDrop<f64, f32>> - shim(Some(EnumWithDrop<f64, f32>)) @@ generic_drop_glue-cgu.0[Internal]
 | |
|     //~ MONO_ITEM fn <EnumWithDrop<f64, f32> as std::ops::Drop>::drop
 | |
|     let _ = match EnumWithDrop::B::<f64, f32>(1.0) {
 | |
|         EnumWithDrop::A(x) => x,
 | |
|         EnumWithDrop::B(x) => x as f64
 | |
|     };
 | |
| 
 | |
|     let _ = match EnumNoDrop::A::<i32, i64>(0) {
 | |
|         EnumNoDrop::A(x) => x,
 | |
|         EnumNoDrop::B(x) => x as i32
 | |
|     };
 | |
| 
 | |
|     let _ = match EnumNoDrop::B::<f64, f32>(1.0) {
 | |
|         EnumNoDrop::A(x) => x,
 | |
|         EnumNoDrop::B(x) => x as f64
 | |
|     };
 | |
| 
 | |
|     0
 | |
| }
 | 
