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-rw-r--r--src/librustc_mir/transform/generator.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/librustc_mir/transform/generator.rs b/src/librustc_mir/transform/generator.rs
index 0d4ca6e7689..3920057d31e 100644
--- a/src/librustc_mir/transform/generator.rs
+++ b/src/librustc_mir/transform/generator.rs
@@ -580,6 +580,7 @@ fn record_conflicts_at_curr_loc(
         local_conflicts.union_row_with(&requires_storage, local);
     }
 
+    // `>1` because the `self` argument always requires storage.
     if requires_storage.count() > 1 {
         trace!("requires_storage={:?}", requires_storage);
     }