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-rw-r--r--src/librustc_mir/hair/mod.rs3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/librustc_mir/hair/mod.rs b/src/librustc_mir/hair/mod.rs
index 2a5b7d0fb29..cc59346487e 100644
--- a/src/librustc_mir/hair/mod.rs
+++ b/src/librustc_mir/hair/mod.rs
@@ -139,6 +139,9 @@ pub enum ExprKind<'tcx> {
     Cast {
         source: ExprRef<'tcx>,
     },
+    Use {
+        source: ExprRef<'tcx>,
+    }, // Use a lexpr to get a vexpr.
     NeverToAny {
         source: ExprRef<'tcx>,
     },