Use Option::get_or_default

2021-03-06 16:40:45 -06:00
parent 7e3ebe76ee
commit 1cc8c4de6a
2 changed files with 2 additions and 4 deletions
--- a/compiler/rustc_mir/src/transform/coverage/graph.rs
+++ b/compiler/rustc_mir/src/transform/coverage/graph.rs
@@ -392,10 +392,7 @@ impl BasicCoverageBlockData {
            }
        }
        let operand = counter_kind.as_operand_id();
-        if let Some(replaced) = self
-            .edge_from_bcbs
-            .get_or_insert_with(FxHashMap::default)
-            .insert(from_bcb, counter_kind)
+        if let Some(replaced) = self.edge_from_bcbs.get_or_default().insert(from_bcb, counter_kind)
        {
            Error::from_string(format!(
                "attempt to set an edge counter more than once; from_bcb: \