diff --git a/test_regress/t/t_process_redecl.pl b/test_regress/t/t_process_redecl.pl
new file mode 100755
index 000000000..f697727ea
--- /dev/null
+++ b/test_regress/t/t_process_redecl.pl
@@ -0,0 +1,16 @@
+#!/usr/bin/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.
+
+scenarios(linter => 1);
+
+lint(
+    );
+
+ok(1);
+1;
diff --git a/test_regress/t/t_process_redecl.v b/test_regress/t/t_process_redecl.v
new file mode 100644
index 000000000..0263e5c56
--- /dev/null
+++ b/test_regress/t/t_process_redecl.v
@@ -0,0 +1,23 @@
+// DESCRIPTION: Verilator: Verilog Test module
+//
+// This file ONLY is placed under the Creative Commons Public Domain, for
+// any use, without warranty, 2020 by Wilson Snyder.
+// SPDX-License-Identifier: CC0-1.0
+
+module t (
+   );
+
+   // Overrides standard class
+   class process;
+   endclass
+   class mailbox;
+   endclass
+   class semaphore;
+   endclass
+
+   initial begin
+      $write("*-* All Finished *-*\n");
+      $finish;
+   end
+
+endmodule