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ScopeTree: remove destruction_scopes as unused #120386

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Merged
merged 1 commit into from
Jan 27, 2024
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ScopeTree: remove destruction_scopes as unused #120386

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8 changes: 0 additions & 8 deletions compiler/rustc_middle/src/middle/region.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -221,9 +221,6 @@ pub struct ScopeTree {
/// variable is declared.
var_map: FxIndexMap<hir::ItemLocalId, Scope>,

/// Maps from a `NodeId` to the associated destruction scope (if any).
destruction_scopes: FxIndexMap<hir::ItemLocalId, Scope>,

/// Identifies expressions which, if captured into a temporary, ought to
/// have a temporary whose lifetime extends to the end of the enclosing *block*,
/// and not the enclosing *statement*. Expressions that are not present in this
Expand Down Expand Up @@ -336,11 +333,6 @@ impl ScopeTree {
let prev = self.parent_map.insert(child, p);
assert!(prev.is_none());
}

// Record the destruction scopes for later so we can query them.
if let ScopeData::Destruction = child.data {
self.destruction_scopes.insert(child.item_local_id(), child);
}
}

pub fn record_var_scope(&mut self, var: hir::ItemLocalId, lifetime: Scope) {
Expand Down