Refactor librustc_errors::Handler API #64272
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cc @aturon as part of parallel rustc efforts |
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fbstj
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CI is green here and this is good to go for review |
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☔ The latest upstream changes (presumably #64456) made this pull request unmergeable. Please resolve the merge conflicts. |
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Rebased. |
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☔ The latest upstream changes (presumably #60584) made this pull request unmergeable. Please resolve the merge conflicts. |
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Rebased, again. |
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This avoids concurrency-related bugs when locks are acquired for too short a time and similar cases.
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Sorry for the radio silence, I'll review this tomorrow. |
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Thanks for the clean commit history. It all makes sense, but making it stand alone merge to minimize the chance for conflicts. @bors r+ rollup=never |
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📌 Commit 4cc5aaa has been approved by |
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Refactor librustc_errors::Handler API This should be reviewed by-commit. The last commit moves all fields into an inner struct behind a single lock; this is done to prevent possible deadlocks in a multi-threaded compiler, as well as inconsistent state observation.
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☀️ Test successful - checks-azure |
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rust-lang#64272 replaced `DiagnosticBuilder` with `Diagnostic` in some places. This commit just renames the DB variable from `db` to `diag` where it wasn't renamed.
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Refactor: Rename `db` locals to `diag` rust-lang#64272 replaced `DiagnosticBuilder` with `Diagnostic` in some places. This PR just renames the db variable from `db` to `diag` where it wasn't renamed. r? @Mark-Simulacrum
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Refactor: Rename `db` locals to `diag` rust-lang#64272 replaced `DiagnosticBuilder` with `Diagnostic` in some places. This PR just renames the db variable from `db` to `diag` where it wasn't renamed. r? @Mark-Simulacrum
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This should be reviewed by-commit.
The last commit moves all fields into an inner struct behind a single lock; this is done to prevent possible deadlocks in a multi-threaded compiler, as well as inconsistent state observation.