4 files changed, 132 insertions, 0 deletions
diff --git a/testsuite/synth/issue2327/tb_test_tf.vhdl b/testsuite/synth/issue2327/tb_test_tf.vhdl
new file mode 100644
index 000000000..0ff4dc7d7
--- /dev/null
+++ b/testsuite/synth/issue2327/tb_test_tf.vhdl
@@ -0,0 +1,72 @@
+entity tb_test_tf is
+end tb_test_tf;
+
+architecture behav of tb_test_tf is
+  signal a       : bit_vector(7 downto 0);
+  signal e       : bit;
+  signal ea_and  : bit_vector(7 downto 0);
+  signal ae_and  : bit_vector(7 downto 0);
+  signal ea_nand : bit_vector(7 downto 0);
+  signal ae_nand : bit_vector(7 downto 0);
+  signal ea_or   : bit_vector(7 downto 0);
+  signal ae_or   : bit_vector(7 downto 0);
+  signal ea_nor  : bit_vector(7 downto 0);
+  signal ae_nor  : bit_vector(7 downto 0);
+  signal ea_xor  : bit_vector(7 downto 0);
+  signal ae_xor  : bit_vector(7 downto 0);
+  signal ea_xnor : bit_vector(7 downto 0);
+  signal ae_xnor : bit_vector(7 downto 0);
+begin
+  dut: entity work.test_tf
+    port map (
+      a       => a,
+      e       => e,
+      ea_and  => ea_and,
+      ae_and  => ae_and,
+      ea_nand => ea_nand,
+      ae_nand => ae_nand,
+      ea_or   => ea_or,
+      ae_or   => ae_or,
+      ea_nor  => ea_nor,
+      ae_nor  => ae_nor,
+      ea_xor  => ea_xor,
+      ae_xor  => ae_xor,
+      ea_xnor => ea_xnor,
+      ae_xnor => ae_xnor);
+  process
+  begin
+    a <= b"01000111";
+    e <= '1';
+    wait for 1 ns;
+
+    assert ea_and = b"01000111" severity failure;
+    assert ae_and = b"01000111" severity failure;
+    assert ea_nand = b"10111000" severity failure;
+    assert ae_nand = b"10111000" severity failure;
+    assert ea_or = b"11111111" severity failure;
+    assert ae_or = b"11111111" severity failure;
+    assert ea_nor = b"00000000" severity failure;
+    assert ae_nor = b"00000000" severity failure;
+    assert ea_xor = b"10111000" severity failure;
+    assert ae_xor = b"10111000" severity failure;
+    assert ea_xnor = b"01000111" severity failure;
+    assert ae_xnor = b"01000111" severity failure;
+
+    e <= '0';
+    wait for 1 ns;
+
+    assert ea_and = b"00000000" severity failure;
+    assert ae_and = b"00000000" severity failure;
+    assert ea_nand = b"11111111" severity failure;
+    assert ae_nand = b"11111111" severity failure;
+    assert ea_or = b"01000111" severity failure;
+    assert ae_or = b"01000111" severity failure;
+    assert ea_nor = b"10111000" severity failure;
+    assert ae_nor = b"10111000" severity failure;
+    assert ea_xor = b"01000111" severity failure;
+    assert ae_xor = b"01000111" severity failure;
+    assert ea_xnor = b"10111000" severity failure;
+    assert ae_xnor = b"10111000" severity failure;
+    wait;
+  end process;
+end behav;
diff --git a/testsuite/synth/issue2327/test_and.vhdl b/testsuite/synth/issue2327/test_and.vhdl
new file mode 100644
index 000000000..e6bd17449
--- /dev/null
+++ b/testsuite/synth/issue2327/test_and.vhdl
@@ -0,0 +1,11 @@
+entity test is
+    port(
+        a: in bit_vector(7 downto 0);
+        b: in bit;
+        c: out bit_vector(7 downto 0));
+end test;
+
+architecture behavior of test is
+begin
+    c <= a and b;
+end behavior;
diff --git a/testsuite/synth/issue2327/test_tf.vhdl b/testsuite/synth/issue2327/test_tf.vhdl
new file mode 100644
index 000000000..00d16c41b
--- /dev/null
+++ b/testsuite/synth/issue2327/test_tf.vhdl
@@ -0,0 +1,38 @@
+entity test_tf is
+    port(
+        a: in bit_vector(7 downto 0);
+        e: in bit;
+        ea_and: out bit_vector(7 downto 0);
+        ae_and: out bit_vector(7 downto 0);
+        ea_nand: out bit_vector(7 downto 0);
+        ae_nand: out bit_vector(7 downto 0);
+        ea_or: out bit_vector(7 downto 0);
+        ae_or: out bit_vector(7 downto 0);
+        ea_nor: out bit_vector(7 downto 0);
+        ae_nor: out bit_vector(7 downto 0);
+        ea_xor: out bit_vector(7 downto 0);
+        ae_xor: out bit_vector(7 downto 0);
+        ea_xnor: out bit_vector(7 downto 0);
+        ae_xnor: out bit_vector(7 downto 0));
+end test_tf;
+
+architecture behavior of test_tf is
+begin
+  ea_and <= a and e;
+  ae_and <= e and a;
+
+  ea_nand <= a nand e;
+  ae_nand <= e nand a;
+
+  ea_or <= a or e;
+  ae_or <= e or a;
+
+  ea_nor <= a nor e;
+  ae_nor <= e nor a;
+
+  ea_xor <= a xor e;
+  ae_xor <= e xor a;
+
+  ea_xnor <= a xnor e;
+  ae_xnor <= e xnor a;
+end behavior;
diff --git a/testsuite/synth/issue2327/testsuite.sh b/testsuite/synth/issue2327/testsuite.sh
new file mode 100755
index 000000000..830576843
--- /dev/null
+++ b/testsuite/synth/issue2327/testsuite.sh
@@ -0,0 +1,11 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+GHDL_STD_FLAGS=--std=08
+
+synth_only test_and
+
+synth_tb test_tf
+
+echo "Test successful"