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Remove unnecessary mutable borrow and resizing

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Isaac Whitfield
2018-05-09 23:36:57 -07:00
parent 8ff4b42064
commit ae3feff028
1 changed files with 1 additions and 7 deletions
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src/librustc/dep_graph/graph.rs
+1 -7
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@@ -534,15 +534,9 @@ pub fn edge_deduplication_data(&self) -> (u64, u64) {
}
pub fn serialize(&self) -> SerializedDepGraph {
let mut fingerprints = self.fingerprints.borrow_mut();
let current_dep_graph = self.data.as_ref().unwrap().current.borrow();
// Make sure we don't run out of bounds below.
if current_dep_graph.nodes.len() > fingerprints.len() {
fingerprints.resize(current_dep_graph.nodes.len(), Fingerprint::ZERO);
}
let fingerprints = fingerprints.clone().convert_index_type();
let fingerprints = self.fingerprints.borrow().clone().convert_index_type();
let nodes = current_dep_graph.nodes.clone().convert_index_type();
let total_edge_count: usize = current_dep_graph.edges.iter()