Matthias Krüger c699b05306 Rollup merge of #105286 - willcrichton:maximal-hir-to-mir-coverage, r=cjgillot ... Add -Z maximal-hir-to-mir-coverage flag This PR adds a new unstable flag `-Z maximal-hir-to-mir-coverage` that changes the behavior of `maybe_lint_level_root_bounded`, pursuant to [a discussion on Zulip](https://rust-lang.zulipchat.com/#narrow/stream/131828-t-compiler/topic/Mapping.20MIR.20to.20HIR). When enabled, this function will not search upwards for a lint root, but rather immediately return the provided HIR node ID. This change increases the granularity of the mapping between MIR locations and HIR nodes inside the `SourceScopeLocalData` data structures. This increase in granularity is useful for rustc consumers like [Flowistry](https://github.com/willcrichton/flowistry) that rely on getting source-mapping information about the MIR CFG that is as precise as possible. A test `maximal_mir_to_hir_coverage.rs` has been added to verify that this flag does not break anything. r? `@cjgillot` cc `@gavinleroy`		2022-12-06 16:54:55 +01:00
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src	Rollup merge of #105286 - willcrichton:maximal-hir-to-mir-coverage, r=cjgillot	2022-12-06 16:54:55 +01:00
Cargo.toml	Enable icu sync feature for parallel compiler	2022-11-18 14:46:35 -08:00