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76 lines
2.9 KiB
Rust
76 lines
2.9 KiB
Rust
// Issue 8142: Test that Drop impls cannot be specialized beyond the
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// predicates attached to the type definition itself.
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trait Bound { fn foo(&self) { } }
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struct K<'l1,'l2> { x: &'l1 i8, y: &'l2 u8 }
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struct L<'l1,'l2> { x: &'l1 i8, y: &'l2 u8 }
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struct M<'m> { x: &'m i8 }
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struct N<'n> { x: &'n i8 }
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struct O<To> { x: *const To }
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struct P<Tp> { x: *const Tp }
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struct Q<Tq> { x: *const Tq }
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struct R<Tr> { x: *const Tr }
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struct S<Ts:Bound> { x: *const Ts }
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struct T<'t,Ts:'t> { x: &'t Ts }
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struct U;
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struct V<Tva, Tvb> { x: *const Tva, y: *const Tvb }
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struct W<'l1, 'l2> { x: &'l1 i8, y: &'l2 u8 }
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struct X<const Ca: usize>;
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struct Y<const Ca: usize, const Cb: usize>;
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enum Enum<T> { Variant(T) }
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struct TupleStruct<T>(T);
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union Union<T: Copy> { f: T }
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impl<'al,'adds_bnd:'al> Drop for K<'al,'adds_bnd> { // REJECT
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//~^ ERROR `Drop` impl requires `'adds_bnd: 'al`
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fn drop(&mut self) { } }
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impl<'al,'adds_bnd> Drop for L<'al,'adds_bnd> where 'adds_bnd:'al { // REJECT
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//~^ ERROR `Drop` impl requires `'adds_bnd: 'al`
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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
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//~^ 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
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//~^ ERROR `Drop` impls cannot be specialized
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impl<AddsBnd:Bound> Drop for Q<AddsBnd> { fn drop(&mut self) { } } // REJECT
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//~^ ERROR `Drop` impl requires `AddsBnd: Bound`
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impl<'rbnd,AddsRBnd:'rbnd> Drop for R<AddsRBnd> { fn drop(&mut self) { } } // REJECT
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//~^ 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
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//~^ ERROR `Drop` impls cannot be specialized
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impl<'lw> Drop for W<'lw,'lw> { fn drop(&mut self) { } } // REJECT
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//~^ ERROR `Drop` impls cannot be specialized
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impl Drop for X<3> { fn drop(&mut self) { } } // REJECT
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//~^ ERROR `Drop` impls cannot be specialized
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impl<const Ca: usize> Drop for Y<Ca, Ca> { fn drop(&mut self) { } } // REJECT
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//~^ ERROR `Drop` impls cannot be specialized
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impl<AddsBnd:Bound> Drop for Enum<AddsBnd> { fn drop(&mut self) { } } // REJECT
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//~^ ERROR `Drop` impl requires `AddsBnd: Bound`
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impl<AddsBnd:Bound> Drop for TupleStruct<AddsBnd> { fn drop(&mut self) { } } // REJECT
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//~^ ERROR `Drop` impl requires `AddsBnd: Bound`
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impl<AddsBnd:Copy + Bound> Drop for Union<AddsBnd> { fn drop(&mut self) { } } // REJECT
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//~^ ERROR `Drop` impl requires `AddsBnd: Bound`
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pub fn main() { }
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