Add files added by patch 7.4.530 to the repository.
diff --git a/src/testdir/test_argument_count.ok b/src/testdir/test_argument_count.ok
new file mode 100644
index 0000000..f591bf2
--- /dev/null
+++ b/src/testdir/test_argument_count.ok
@@ -0,0 +1,13 @@
+d
+c
+b
+a
+c
+
+a b d
+a d
+a
+a b c d x
+Y a b c d x
+
+a f