resolve: disallow labelled breaks/continues through closures/async blocks #73726
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(I'm no longer on remote work, so I'll review with delays now.) |
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Also the commits need squashing. |
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This commit modifies resolve to disallow `break`/`continue` to labels through closures or async blocks. This doesn't make sense and should have been prohibited anyway. Signed-off-by: David Wood <[email protected]>
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…k-through-closure-async, r=petrochenkov resolve: disallow labelled breaks/continues through closures/async blocks Fixes rust-lang#73541. This PR modifies name resolution to prohibit labelled breaks/continues through closures or async blocks, fixing an ICE. In addition, it improves the diagnostics surrounding labelled breaks/continues through closures or async blocks by informing the user if the label exists in an parent scope and telling them that won't work. r? @petrochenkov (resolve) cc @estebank (diagnostic changes) @tmandry (issue is from `wg-async-foundations`)
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…arth Rollup of 8 pull requests Successful merges: - rust-lang#73454 (Move contributing.md to rustc-dev-guide and point at getting started) - rust-lang#73724 (Use WASM's saturating casts if they are available) - rust-lang#73726 (resolve: disallow labelled breaks/continues through closures/async blocks) - rust-lang#73753 (Use 'tcx for references to AccessLevels wherever possible.) - rust-lang#73781 (Update psm version) - rust-lang#73952 (Add option for local docker testing.) - rust-lang#73957 (disable BTree min_max test in Miri for now) - rust-lang#73975 (Document rustc_ast::ast::Pat) Failed merges: r? @ghost
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Fixes #73541.
This PR modifies name resolution to prohibit labelled breaks/continues through closures or async blocks, fixing an ICE. In addition, it improves the diagnostics surrounding labelled breaks/continues through closures or async blocks by informing the user if the label exists in an parent scope and telling them that won't work.
r? @petrochenkov (resolve)
cc @estebank (diagnostic changes) @tmandry (issue is from
wg-async-foundations)