Fix future_prelude_collision
false positive
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@ -57,6 +57,13 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
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{
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return;
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}
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// if it's an inherent `self` method (not `&self` or `&mut self`), it will take
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// precedence over the `TryInto` impl, and thus won't break in 2021 edition
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if pick.autoderefs == 0 && pick.autoref_or_ptr_adjustment.is_none() {
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return;
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}
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// Inherent impls only require not relying on autoref and autoderef in order to
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// ensure that the trait implementation won't be used
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self.tcx.struct_span_lint_hir(
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16
src/test/ui/rust-2021/future-prelude-collision-unneeded.rs
Normal file
16
src/test/ui/rust-2021/future-prelude-collision-unneeded.rs
Normal file
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@ -0,0 +1,16 @@
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// edition:2018
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// check-pass
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#![allow(unused)]
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#![deny(future_prelude_collision)]
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struct S;
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impl S {
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fn try_into(self) -> S { S }
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}
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// See https://github.com/rust-lang/rust/issues/86633
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fn main() {
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let s = S;
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let s2 = s.try_into();
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}
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