Index: tests/concurrent/.expect/ctor-check.txt
===================================================================
--- tests/concurrent/.expect/ctor-check.txt	(revision 4520b77e192c372763501afd950a0f1452141b3b)
+++ tests/concurrent/.expect/ctor-check.txt	(revision a065f1ffe843ea0a3ceecdf36a1210abe07a2441)
@@ -2,5 +2,5 @@
 ?{}: function
 ... with parameters
-  this: lvalue reference to instance of struct Empty with body
+  this: mutex reference to instance of struct Empty with body
 ... returning nothing
  with body