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-rw-r--r--tests/various/abc9.v4
1 files changed, 3 insertions, 1 deletions
diff --git a/tests/various/abc9.v b/tests/various/abc9.v
index a08b613a8..30ebd4e26 100644
--- a/tests/various/abc9.v
+++ b/tests/various/abc9.v
@@ -5,5 +5,7 @@ always @*
endmodule
module abc9_test028(input i, output o);
-unknown u(~i, o);
+wire w;
+unknown u(~i, w);
+unknown2 u2(w, o);
endmodule