1 files changed, 20 insertions, 0 deletions
diff --git a/testsuite/synth/issue2328/test_tf.vhdl b/testsuite/synth/issue2328/test_tf.vhdl
new file mode 100644
index 000000000..dbf9f81ef
--- /dev/null
+++ b/testsuite/synth/issue2328/test_tf.vhdl
@@ -0,0 +1,20 @@
+entity test_tf is
+    port(
+        a: in bit_vector(3 downto 0);
+        red_and: out bit;
+        red_nand: out bit;
+        red_or: out bit;
+        red_nor: out bit;
+        red_xor: out bit;
+        red_xnor: out bit);
+end test_tf;
+
+architecture behavior of test_tf is
+begin
+  red_and <= and a;
+  red_nand <= nand a;
+  red_or <= or a;
+  red_nor <= nor a;
+  red_xor <= xor a;
+  red_xnor <= xnor a;
+end behavior;