about summary refs log tree commit diff
path: root/compiler/rustc_mir_transform/src/coverage/mappings.rs
diff options
context:
space:
mode:
Diffstat (limited to 'compiler/rustc_mir_transform/src/coverage/mappings.rs')
-rw-r--r--compiler/rustc_mir_transform/src/coverage/mappings.rs2
1 files changed, 1 insertions, 1 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)
         })