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  1. InferCtxt::probe is not needed in compute_subtype_goal and compute_well_formed_goal.
  2. Add a handful of comments.
  3. Add a micro-optimization in consider_assumption where we check the def-ids of the assumption and goal match before instantiating any binders.

r? @lcnr

@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver) labels Jan 27, 2023
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rustbot commented Jan 27, 2023

Some changes occurred to the core trait solver

cc @rust-lang/initiative-trait-system-refactor

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r=me after nit

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@bors r=lcnr rollup (only affects new solver)

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bors commented Jan 27, 2023

📌 Commit 8a0b215 has been approved by lcnr

It is now in the queue for this repository.

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Jan 27, 2023
matthiaskrgr added a commit to matthiaskrgr/rust that referenced this pull request Jan 27, 2023
… r=lcnr

Minor tweaks in the new solver

1. `InferCtxt::probe` is not needed in `compute_subtype_goal` and `compute_well_formed_goal`.
2. Add a handful of comments.
3. Add a micro-optimization in `consider_assumption` where we check the def-ids of the assumption and goal match before instantiating any binders.

r? `@lcnr`
bors added a commit to rust-lang-ci/rust that referenced this pull request Jan 28, 2023
…iaskrgr

Rollup of 8 pull requests

Successful merges:

 - rust-lang#107022 (Implement `SpecOptionPartialEq` for `cmp::Ordering`)
 - rust-lang#107100 (Use proper `InferCtxt` when probing for associated types in astconv)
 - rust-lang#107103 (Use new solver in `evaluate_obligation` query (when new solver is enabled))
 - rust-lang#107190 (Recover from more const arguments that are not wrapped in curly braces)
 - rust-lang#107306 (Correct suggestions for closure arguments that need a borrow)
 - rust-lang#107339 (internally change regions to be covariant)
 - rust-lang#107344 (Minor tweaks in the new solver)
 - rust-lang#107373 (Don't merge vtables when full debuginfo is enabled.)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit ab769a0 into rust-lang:master Jan 28, 2023
@rustbot rustbot added this to the 1.69.0 milestone Jan 28, 2023
@compiler-errors compiler-errors deleted the new-solver-tweaks branch August 11, 2023 20:10
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4 participants