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Pass InferCtxt to DropRangeVisitor so we can resolve vars #104753

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merged 2 commits into from
Nov 24, 2022

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@compiler-errors compiler-errors commented Nov 23, 2022

The types that we encounter in the TypeckResults that we pass to the DropRangeVisitor are not yet fully resolved, since that only happens in writeback after type checking is complete.

Instead, pass down the whole InferCtxt so that we can resolve any inference vars that have been constrained since they were written into the results. This is similar to how the MemCategorizationContext in the ExprUseVisitor also needs to pass down both typeck results and the inference context.

Fixes an ICE mentioned in this comment: #104382 (comment)

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rustbot commented Nov 23, 2022

r? @oli-obk

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@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. labels Nov 23, 2022
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oli-obk commented Nov 23, 2022

@bors r+

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bors commented Nov 23, 2022

📌 Commit 024bb8c has been approved by oli-obk

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 Nov 23, 2022
bors added a commit to rust-lang-ci/rust that referenced this pull request Nov 24, 2022
…iaskrgr

Rollup of 9 pull requests

Successful merges:

 - rust-lang#103908 (Suggest `.clone()` or `ref binding` on E0382)
 - rust-lang#104517 (Throw error on failure in loading llvm-plugin)
 - rust-lang#104594 (Properly handle `Pin<&mut dyn* Trait>` receiver in codegen)
 - rust-lang#104742 (Make `deref_into_dyn_supertrait` lint the impl and not the usage)
 - rust-lang#104753 (Pass `InferCtxt` to `DropRangeVisitor` so we can resolve vars)
 - rust-lang#104771 (Add regression test for issue rust-lang#99938)
 - rust-lang#104772 (Small accessibility improvements)
 - rust-lang#104775 (Use ObligationCtxt::normalize)
 - rust-lang#104778 (:arrow_up: rust-analyzer)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit 6938717 into rust-lang:master Nov 24, 2022
@rustbot rustbot added this to the 1.67.0 milestone Nov 24, 2022
@compiler-errors compiler-errors deleted the drop-tracking-var-ice branch August 11, 2023 04:46
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4 participants