One more round of status file updates to get the bots green.

tests/lib/lib.status

Index: tests/lib/lib.status
diff --git a/tests/lib/lib.status b/tests/lib/lib.status
index 98161a90de088bbc861fa3c6f4b38a620a29be12..28cbf3d55bcb1c58a6464ee04cd5a985199a9989 100644
--- a/tests/lib/lib.status
+++ b/tests/lib/lib.status
@@ -122,7 +122,8 @@ mirrors/syntax_error_test/01: Pass # expects failure, but it fails for the wrong
 mirrors/variable_is_const_test/01: Pass # expects failure, but it fails for the wrong reason
 mirrors/model_test: Pass # this is ok
 
-
+[ $compiler == dart2js && $fast_startup ]
+mirrors/regress_16321_test/01: Pass # expects failure, but if fails for the wrong reason
 
 [ $runtime == safari || $runtime == safarimobilesim ]
 typed_data/int32x4_test: Fail, Pass # Safari has an optimization bug (nightlies are already fine).