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