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-rw-r--r--compiler/rustc_mir_transform/src/coverage/mappings.rs2
-rw-r--r--compiler/rustc_mir_transform/src/coverage/spans.rs2
2 files changed, 2 insertions, 2 deletions
diff --git a/compiler/rustc_mir_transform/src/coverage/mappings.rs b/compiler/rustc_mir_transform/src/coverage/mappings.rs
index bc86ae22a0d..2db7c6cf1d6 100644
--- a/compiler/rustc_mir_transform/src/coverage/mappings.rs
+++ b/compiler/rustc_mir_transform/src/coverage/mappings.rs
@@ -363,7 +363,7 @@ fn calc_test_vectors_index(conditions: &mut Vec<MCDCBranch>) -> usize {
             let ConditionInfo { condition_id, true_next_id, false_next_id } = branch.condition_info;
             [true_next_id, false_next_id]
                 .into_iter()
-                .filter_map(std::convert::identity)
+                .flatten()
                 .for_each(|next_id| indegree_stats[next_id] += 1);
             (condition_id, branch)
         })
diff --git a/compiler/rustc_mir_transform/src/coverage/spans.rs b/compiler/rustc_mir_transform/src/coverage/spans.rs
index da7d20cf19a..085c738f1f9 100644
--- a/compiler/rustc_mir_transform/src/coverage/spans.rs
+++ b/compiler/rustc_mir_transform/src/coverage/spans.rs
@@ -87,7 +87,7 @@ fn remove_unwanted_expansion_spans(covspans: &mut Vec<SpanFromMir>) {
     covspans.retain(|covspan| {
         match covspan.expn_kind {
             // Retain only the first await-related or macro-expanded covspan with this span.
-            Some(ExpnKind::Desugaring(kind)) if kind == DesugaringKind::Await => {
+            Some(ExpnKind::Desugaring(DesugaringKind::Await)) => {
                 deduplicated_spans.insert(covspan.span)
             }
             Some(ExpnKind::Macro(MacroKind::Bang, _)) => deduplicated_spans.insert(covspan.span),