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Rollup merge of #114505 - ouz-a:cleanup_mir, r=RalfJung

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Add documentation to has_deref

Documentation of `has_deref` needed some polish to be more clear about where it should be used and what's it's purpose.

cc https://github.com/rust-lang/rust/issues/114401

r? `@RalfJung`
This commit is contained in:
Matthias Krüger 2023-08-06 17:26:29 +02:00 committed by GitHub
commit 261837c841
1 changed files with 1 additions and 1 deletions
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clippy_lints/src/dereference.rs
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@ -1170,7 +1170,7 @@ fn referent_used_exactly_once<'tcx>(
&& let [location] = *local_assignments(mir, local).as_slice()
&& let Some(statement) = mir.basic_blocks[location.block].statements.get(location.statement_index)
&& let StatementKind::Assign(box (_, Rvalue::Ref(_, _, place))) = statement.kind
&& !place.has_deref()
&& !place.is_indirect_first_projection()
// Ensure not in a loop (https://github.com/rust-lang/rust-clippy/issues/9710)
&& TriColorDepthFirstSearch::new(&mir.basic_blocks).run_from(location.block, &mut CycleDetector).is_none()
{