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Add test for overflow when finding auto-trait impls in Rustdoc
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// Tests that we don't fail with an overflow error for certain | ||
// strange types | ||
// See https://github.com/rust-lang/rust/pull/72936#issuecomment-643676915 | ||
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pub trait Interner { | ||
type InternedType; | ||
} | ||
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struct RustInterner<'tcx> { | ||
foo: &'tcx () | ||
} | ||
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impl<'tcx> Interner for RustInterner<'tcx> { | ||
type InternedType = Box<TyData<Self>>; | ||
} | ||
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enum TyData<I: Interner> { | ||
FnDef(I::InternedType) | ||
} | ||
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struct VariableKind<I: Interner>(I::InternedType); | ||
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// @has overflow/struct.BoundVarsCollector.html | ||
// @has - '//code' "impl<'tcx> Send for BoundVarsCollector<'tcx>" | ||
pub struct BoundVarsCollector<'tcx> { | ||
val: VariableKind<RustInterner<'tcx>> | ||
} | ||
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fn is_send<T: Send>() {} | ||
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struct MyInterner<'tcx> { | ||
val: &'tcx () | ||
} | ||
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fn main() {} |