1 files changed, 11 insertions, 0 deletions
diff --git a/tests/various/abc9.v b/tests/various/abc9.v
new file mode 100644
index 000000000..30ebd4e26
--- /dev/null
+++ b/tests/various/abc9.v
@@ -0,0 +1,11 @@
+module abc9_test027(output reg o);
+initial o = 1'b0;
+always @*
+    o <= ~o;
+endmodule
+
+module abc9_test028(input i, output o);
+wire w;
+unknown u(~i, w);
+unknown2 u2(w, o);
+endmodule