Meta/Dothem: use sparse
diff --git a/Dothem b/Dothem
index 8b424e8..3a55a18 100755
--- a/Dothem
+++ b/Dothem
@@ -200,6 +200,8 @@
 
 		save=$(git rev-parse HEAD) &&
 
+		Meta/Make $M $jobs -- SPARSE_FLAGS=-Wsparse-error sparse &&
+
 		Meta/Make $M $noprove ${test+"$test"} $jobs $test_long $memtrash \
 		    -- ${with_dash:+SHELL_PATH=/bin/dash} "$@" $dotest &&