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Check equivalence of indices in more cases

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This commit is contained in:
Esteban Küber 2024-04-24 21:53:33 +00:00
parent ad6ae61246
commit abdb64d4ea
2 changed files with 10 additions and 7 deletions
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8
compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs
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@ -2116,7 +2116,13 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> {
None
}
}) else {
note_default_suggestion();
let hir::Node::Expr(parent) = tcx.parent_hir_node(index1.hir_id) else { return };
let hir::ExprKind::Index(_, idx1, _) = parent.kind else { return };
let hir::Node::Expr(parent) = tcx.parent_hir_node(index2.hir_id) else { return };
let hir::ExprKind::Index(_, idx2, _) = parent.kind else { return };
if !idx1.equals(idx2) {
err.help("use `.split_at_mut(position)` to obtain two mutable non-overlapping sub-slices");
}
return;
};