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12 changes: 12 additions & 0 deletions
12
tests/ui/dropck/constrained_by_assoc_type_equality_and_self_ty.rs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,12 @@ | ||
| trait Trait { | ||
| type Assoc; | ||
| } | ||
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| struct Foo<T: Trait, U: ?Sized>(T, U); | ||
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| impl<T: Trait<Assoc = U>, U: ?Sized> Drop for Foo<T, U> { | ||
| //~^ ERROR: `Drop` impl requires `<T as Trait>::Assoc == U` | ||
| fn drop(&mut self) {} | ||
| } | ||
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| fn main() {} |
10 changes: 5 additions & 5 deletions
10
...constrained_by_assoc_type_equality.stderr → ...by_assoc_type_equality_and_self_ty.stderr
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,75 +1,145 @@ | ||
| // Issue 8142: Test that Drop impls cannot be specialized beyond the | ||
| // predicates attached to the type definition itself. | ||
| trait Bound { fn foo(&self) { } } | ||
| struct K<'l1,'l2> { x: &'l1 i8, y: &'l2 u8 } | ||
| struct L<'l1,'l2> { x: &'l1 i8, y: &'l2 u8 } | ||
| struct M<'m> { x: &'m i8 } | ||
| struct N<'n> { x: &'n i8 } | ||
| struct O<To> { x: *const To } | ||
| struct P<Tp> { x: *const Tp } | ||
| struct Q<Tq> { x: *const Tq } | ||
| struct R<Tr> { x: *const Tr } | ||
| struct S<Ts:Bound> { x: *const Ts } | ||
| struct T<'t,Ts:'t> { x: &'t Ts } | ||
| trait Bound { | ||
| fn foo(&self) {} | ||
| } | ||
| struct K<'l1, 'l2> { | ||
| x: &'l1 i8, | ||
| y: &'l2 u8, | ||
| } | ||
| struct L<'l1, 'l2> { | ||
| x: &'l1 i8, | ||
| y: &'l2 u8, | ||
| } | ||
| struct M<'m> { | ||
| x: &'m i8, | ||
| } | ||
| struct N<'n> { | ||
| x: &'n i8, | ||
| } | ||
| struct O<To> { | ||
| x: *const To, | ||
| } | ||
| struct P<Tp> { | ||
| x: *const Tp, | ||
| } | ||
| struct Q<Tq> { | ||
| x: *const Tq, | ||
| } | ||
| struct R<Tr> { | ||
| x: *const Tr, | ||
| } | ||
| struct S<Ts: Bound> { | ||
| x: *const Ts, | ||
| } | ||
| struct T<'t, Ts: 't> { | ||
| x: &'t Ts, | ||
| } | ||
| struct U; | ||
| struct V<Tva, Tvb> { x: *const Tva, y: *const Tvb } | ||
| struct W<'l1, 'l2> { x: &'l1 i8, y: &'l2 u8 } | ||
| struct V<Tva, Tvb> { | ||
| x: *const Tva, | ||
| y: *const Tvb, | ||
| } | ||
| struct W<'l1, 'l2> { | ||
| x: &'l1 i8, | ||
| y: &'l2 u8, | ||
| } | ||
| struct X<const Ca: usize>; | ||
| struct Y<const Ca: usize, const Cb: usize>; | ||
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| enum Enum<T> { Variant(T) } | ||
| enum Enum<T> { | ||
| Variant(T), | ||
| } | ||
| struct TupleStruct<T>(T); | ||
| union Union<T: Copy> { f: T } | ||
| union Union<T: Copy> { | ||
| f: T, | ||
| } | ||
|
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| impl<'al,'adds_bnd:'al> Drop for K<'al,'adds_bnd> { // REJECT | ||
| impl<'al, 'adds_bnd: 'al> Drop for K<'al, 'adds_bnd> { | ||
| //~^ ERROR `Drop` impl requires `'adds_bnd: 'al` | ||
| fn drop(&mut self) { } } | ||
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| impl<'al,'adds_bnd> Drop for L<'al,'adds_bnd> where 'adds_bnd:'al { // REJECT | ||
| //~^ ERROR `Drop` impl requires `'adds_bnd: 'al` | ||
| fn drop(&mut self) { } } | ||
|
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| impl<'ml> Drop for M<'ml> { fn drop(&mut self) { } } // ACCEPT | ||
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| impl Drop for N<'static> { fn drop(&mut self) { } } // REJECT | ||
| //~^ ERROR `Drop` impls cannot be specialized | ||
|
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| impl<COkNoBound> Drop for O<COkNoBound> { fn drop(&mut self) { } } // ACCEPT | ||
|
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| impl Drop for P<i8> { fn drop(&mut self) { } } // REJECT | ||
| //~^ ERROR `Drop` impls cannot be specialized | ||
|
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| impl<AddsBnd:Bound> Drop for Q<AddsBnd> { fn drop(&mut self) { } } // REJECT | ||
| //~^ ERROR `Drop` impl requires `AddsBnd: Bound` | ||
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| impl<'rbnd,AddsRBnd:'rbnd> Drop for R<AddsRBnd> { fn drop(&mut self) { } } // REJECT | ||
| //~^ ERROR `Drop` impl requires `AddsRBnd: 'rbnd` | ||
|
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| impl<Bs:Bound> Drop for S<Bs> { fn drop(&mut self) { } } // ACCEPT | ||
|
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| impl<'t,Bt:'t> Drop for T<'t,Bt> { fn drop(&mut self) { } } // ACCEPT | ||
|
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| impl Drop for U { fn drop(&mut self) { } } // ACCEPT | ||
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| impl<One> Drop for V<One,One> { fn drop(&mut self) { } } // REJECT | ||
| //~^ ERROR `Drop` impls cannot be specialized | ||
|
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| impl<'lw> Drop for W<'lw,'lw> { fn drop(&mut self) { } } // REJECT | ||
| //~^ ERROR `Drop` impls cannot be specialized | ||
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| impl Drop for X<3> { fn drop(&mut self) { } } // REJECT | ||
| //~^ ERROR `Drop` impls cannot be specialized | ||
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| impl<const Ca: usize> Drop for Y<Ca, Ca> { fn drop(&mut self) { } } // REJECT | ||
| //~^ ERROR `Drop` impls cannot be specialized | ||
|
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| impl<AddsBnd:Bound> Drop for Enum<AddsBnd> { fn drop(&mut self) { } } // REJECT | ||
| //~^ ERROR `Drop` impl requires `AddsBnd: Bound` | ||
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| impl<AddsBnd:Bound> Drop for TupleStruct<AddsBnd> { fn drop(&mut self) { } } // REJECT | ||
| //~^ ERROR `Drop` impl requires `AddsBnd: Bound` | ||
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| impl<AddsBnd:Copy + Bound> Drop for Union<AddsBnd> { fn drop(&mut self) { } } // REJECT | ||
| //~^ ERROR `Drop` impl requires `AddsBnd: Bound` | ||
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| pub fn main() { } | ||
| fn drop(&mut self) {} | ||
| } | ||
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| impl<'al, 'adds_bnd> Drop for L<'al, 'adds_bnd> | ||
| //~^ ERROR `Drop` impl requires `'adds_bnd: 'al` | ||
| where | ||
| 'adds_bnd: 'al, | ||
| { | ||
| fn drop(&mut self) {} | ||
| } | ||
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| impl<'ml> Drop for M<'ml> { | ||
| fn drop(&mut self) {} | ||
| } | ||
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| impl Drop for N<'static> { | ||
| //~^ ERROR `Drop` impls cannot be specialized | ||
| fn drop(&mut self) {} | ||
| } | ||
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| impl<COkNoBound> Drop for O<COkNoBound> { | ||
| fn drop(&mut self) {} | ||
| } | ||
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| impl Drop for P<i8> { | ||
| //~^ ERROR `Drop` impls cannot be specialized | ||
| fn drop(&mut self) {} | ||
| } | ||
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| impl<AddsBnd: Bound> Drop for Q<AddsBnd> { | ||
| //~^ ERROR `Drop` impl requires `AddsBnd: Bound` | ||
| fn drop(&mut self) {} | ||
| } | ||
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| impl<'rbnd, AddsRBnd: 'rbnd> Drop for R<AddsRBnd> { | ||
| fn drop(&mut self) {} | ||
| } | ||
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| impl<Bs: Bound> Drop for S<Bs> { | ||
| fn drop(&mut self) {} | ||
| } | ||
|
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| impl<'t, Bt: 't> Drop for T<'t, Bt> { | ||
| fn drop(&mut self) {} | ||
| } | ||
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| impl Drop for U { | ||
| fn drop(&mut self) {} | ||
| } | ||
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| impl<One> Drop for V<One, One> { | ||
| //~^ ERROR `Drop` impls cannot be specialized | ||
| fn drop(&mut self) {} | ||
| } | ||
|
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| impl<'lw> Drop for W<'lw, 'lw> { | ||
| //~^ ERROR `Drop` impls cannot be specialized | ||
| fn drop(&mut self) {} | ||
| } | ||
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| impl Drop for X<3> { | ||
| //~^ ERROR `Drop` impls cannot be specialized | ||
| fn drop(&mut self) {} | ||
| } | ||
|
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| impl<const Ca: usize> Drop for Y<Ca, Ca> { | ||
| //~^ ERROR `Drop` impls cannot be specialized | ||
| fn drop(&mut self) {} | ||
| } | ||
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| impl<AddsBnd: Bound> Drop for Enum<AddsBnd> { | ||
| //~^ ERROR `Drop` impl requires `AddsBnd: Bound` | ||
| fn drop(&mut self) {} | ||
| } | ||
|
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| impl<AddsBnd: Bound> Drop for TupleStruct<AddsBnd> { | ||
| //~^ ERROR `Drop` impl requires `AddsBnd: Bound` | ||
| fn drop(&mut self) {} | ||
| } | ||
|
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| impl<AddsBnd: Copy + Bound> Drop for Union<AddsBnd> { | ||
| //~^ ERROR `Drop` impl requires `AddsBnd: Bound` | ||
| fn drop(&mut self) {} | ||
| } | ||
|
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| pub fn main() {} |
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