1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_mir_transform/src/coverage/spans.rs b/compiler/rustc_mir_transform/src/coverage/spans.rs
index 3f7ba572510..9718ffb3e5b 100644
--- a/compiler/rustc_mir_transform/src/coverage/spans.rs
+++ b/compiler/rustc_mir_transform/src/coverage/spans.rs
@@ -80,7 +80,7 @@ impl CoverageSpan {
             expn_span: fn_sig_span,
             current_macro_or_none: Default::default(),
             bcb: START_BCB,
-            merged_spans: vec![],
+            merged_spans: vec![fn_sig_span],
             is_closure: false,
         }
     }