diff --git a/test_regress/t/t_flag_noop_bad.out b/test_regress/t/t_flag_noop_bad.out
new file mode 100644
index 000000000..3f89e26a3
--- /dev/null
+++ b/test_regress/t/t_flag_noop_bad.out
@@ -0,0 +1 @@
+%Error: verilator: Need --cc, --sc, --cdc, --dpi-hdr-only, --lint-only, --xml-only or --E option
diff --git a/test_regress/t/t_flag_noop_bad.pl b/test_regress/t/t_flag_noop_bad.pl
new file mode 100755
index 000000000..f6fe2bbb8
--- /dev/null
+++ b/test_regress/t/t_flag_noop_bad.pl
@@ -0,0 +1,22 @@
+#!/usr/bin/env perl
+if (!$::Driver) { use FindBin; exec("$FindBin::Bin/bootstrap.pl", @ARGV, $0); die; }
+# DESCRIPTION: Verilator: Verilog Test driver/expect definition
+#
+# Copyright 2003 by Wilson Snyder. This program is free software; you
+# can redistribute it and/or modify it under the terms of either the GNU
+# Lesser General Public License Version 3 or the Perl Artistic License
+# Version 2.0.
+# SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
+
+scenarios(vlt => 1);
+
+run(cmd => ["../bin/verilator",
+            "t_flag_noop_bad.v"],
+    fails => 1,
+    logfile => "$Self->{obj_dir}/sim.log",
+    expect_filename => $Self->{golden_filename},
+    verilator_run => 1,
+    );
+
+ok(1);
+1;
diff --git a/test_regress/t/t_flag_noop_bad.v b/test_regress/t/t_flag_noop_bad.v
new file mode 100644
index 000000000..112d2a878
--- /dev/null
+++ b/test_regress/t/t_flag_noop_bad.v
@@ -0,0 +1,17 @@
+// DESCRIPTION: Verilator: Verilog Test module
+//
+// This file ONLY is placed under the Creative Commons Public Domain, for
+// any use, without warranty, 2019 by Wilson Snyder.
+// SPDX-License-Identifier: CC0-1.0
+
+module t (/*AUTOARG*/);
+
+   int u1;
+   int u1;
+   int u1;
+   int u1;
+   int u1;
+   int u1;
+   int u1;
+
+endmodule