--- a/stage3/Makefile.am	Sat Apr 14 18:05:50 2012 +0100
+++ b/stage3/Makefile.am	Sat Apr 14 20:02:36 2012 +0200
@@ -8,5 +8,6 @@
 	fill_candidate_datatypes.cc \
 	narrow_candidate_datatypes.cc \
 	print_datatypes_error.cc \
-	datatype_functions.cc
+	datatype_functions.cc \
+	lvalue_check.cc