Uplift InferConst to rustc_type_ir
#117851
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☔ The latest upstream changes (presumably #117908) made this pull request unmergeable. Please resolve the merge conflicts. |
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@bors r=spastorino rollup |
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…iaskrgr Rollup of 8 pull requests Successful merges: - rust-lang#117327 (Add documentation for some queries) - rust-lang#117835 (Note about object lifetime defaults in does not live long enough error) - rust-lang#117851 (Uplift `InferConst` to `rustc_type_ir`) - rust-lang#117973 (test: Add test for async-move in 2015 Rust proc macro) - rust-lang#117992 (Don't require intercrate mode for negative coherence) - rust-lang#118010 (Typeck break expr even if break is illegal) - rust-lang#118026 (Don't consider regions in `deref_into_dyn_supertrait` lint) - rust-lang#118089 (intercrate_ambiguity_causes: handle self ty infer + reservation impls) r? `@ghost` `@rustbot` modify labels: rollup
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…iaskrgr Rollup of 8 pull requests Successful merges: - rust-lang#117327 (Add documentation for some queries) - rust-lang#117835 (Note about object lifetime defaults in does not live long enough error) - rust-lang#117851 (Uplift `InferConst` to `rustc_type_ir`) - rust-lang#117973 (test: Add test for async-move in 2015 Rust proc macro) - rust-lang#117992 (Don't require intercrate mode for negative coherence) - rust-lang#118010 (Typeck break expr even if break is illegal) - rust-lang#118026 (Don't consider regions in `deref_into_dyn_supertrait` lint) - rust-lang#118089 (intercrate_ambiguity_causes: handle self ty infer + reservation impls) r? `@ghost` `@rustbot` modify labels: rollup
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…iaskrgr Rollup of 8 pull requests Successful merges: - rust-lang#117327 (Add documentation for some queries) - rust-lang#117835 (Note about object lifetime defaults in does not live long enough error) - rust-lang#117851 (Uplift `InferConst` to `rustc_type_ir`) - rust-lang#117973 (test: Add test for async-move in 2015 Rust proc macro) - rust-lang#117992 (Don't require intercrate mode for negative coherence) - rust-lang#118010 (Typeck break expr even if break is illegal) - rust-lang#118026 (Don't consider regions in `deref_into_dyn_supertrait` lint) - rust-lang#118089 (intercrate_ambiguity_causes: handle self ty infer + reservation impls) r? `@ghost` `@rustbot` modify labels: rollup
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Rollup merge of rust-lang#117851 - compiler-errors:uplift-infer-const, r=spastorino Uplift `InferConst` to `rustc_type_ir` We need this in `rustc_type_ir` because the canonicalizer must understand the difference between a const vid and an effect vid. In that way, it's not an implementation detail of the representation of an infer const, but just part of the type ir. If we find out later on that it's better to leave the representation up to the consumer of `rustc_type_ir`, we could abstract `InferConst` (and probably `InferTy` as well) with some traits, but I don't see the benefit of that indirection currently.
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We need this in
rustc_type_irbecause the canonicalizer must understand the difference between a const vid and an effect vid. In that way, it's not an implementation detail of the representation of an infer const, but just part of the type ir.If we find out later on that it's better to leave the representation up to the consumer of
rustc_type_ir, we could abstractInferConst(and probablyInferTyas well) with some traits, but I don't see the benefit of that indirection currently.