Rollup of 3 pull requests #62498
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Rollup of 3 pull requests #62498
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This commit merges the logic used for opaque type type inference for impl Trait and non-impl Trait cases. This fixes an ICE where existential types used in the return types of functions would be allowed to have an out-of-scope generic type parameter.
…lper trait Before this change `SliceConcatExt` was an unstable extension trait with stable methods. It was in the libstd prelude, so that its methods could be used on the stable channel. This replaces it with inherent methods, which can be used without any addition to the prelude. Since the methods are stable and very generic (with for example a return type that depends on the types of parameters), an helper trait is still needed. But now that trait does not need to be in scope for the methods to be used. Removing this depedency on the libstd prelude allows the methods to be used in `#![no_std]` crate that use liballoc, which does not have its own implicitly-imported prelude.
…nge-substitution, r=nikomatsakis typeck: merge opaque type inference logic Fixes rust-lang#55872. See [relevant Zulip topic](https://rust-lang.zulipchat.com/#narrow/stream/187312-wg-async-foundations/topic/type.20parameter.20out.20of.20range.20.2355872). r? @nikomatsakis
Replace SliceConcatExt trait with inherent methods and SliceConcat helper trait Before this change `SliceConcatExt` was an unstable extension trait with stable methods. It was in the libstd prelude, so that its methods could be used on the stable channel. This replaces it with inherent methods, which can be used without any addition to the prelude. Since the methods are stable and very generic (with for example a return type that depends on the types of parameters), an helper trait is still needed. But now that trait does not need to be in scope for the methods to be used. Removing this depedency on the libstd prelude allows the methods to be used in `#![no_std]` crate that use liballoc, which does not have its own implicitly-imported prelude.
…ngiro Update rustfmt to 1.3.2 This PR is a successor of rust-lang#62244. r? @Centril
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@bors r+ p=3 rollup=never |
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📌 Commit 9cab39d has been approved by |
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⌛ Testing commit 9cab39d with merge f279dc6640bb8a616d2c7b302190be2a5f14e940... |
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💔 Test failed - checks-azure |
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r? @ghost