From 9e8a769c56cc3e12ae3c2d03e768c2255b3c5d76 Mon Sep 17 00:00:00 2001
From: Tristan Gingold <tgingold@free.fr>
Date: Sun, 12 Mar 2023 17:30:34 +0100
Subject: testsuite/gna: add a test for #2388

---
 testsuite/gna/issue2388/testsuite.sh | 11 +++++++++++
 testsuite/gna/issue2388/top_a.vhd    |  7 +++++++
 testsuite/gna/issue2388/top_e.vhd    | 37 ++++++++++++++++++++++++++++++++++++
 3 files changed, 55 insertions(+)
 create mode 100755 testsuite/gna/issue2388/testsuite.sh
 create mode 100644 testsuite/gna/issue2388/top_a.vhd
 create mode 100644 testsuite/gna/issue2388/top_e.vhd

diff --git a/testsuite/gna/issue2388/testsuite.sh b/testsuite/gna/issue2388/testsuite.sh
new file mode 100755
index 000000000..3f9b189f8
--- /dev/null
+++ b/testsuite/gna/issue2388/testsuite.sh
@@ -0,0 +1,11 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+run $GHDL -i top_a.vhd top_e.vhd
+run $GHDL -m unit_a
+simulate unit_a
+
+clean
+
+echo "Test successful"
diff --git a/testsuite/gna/issue2388/top_a.vhd b/testsuite/gna/issue2388/top_a.vhd
new file mode 100644
index 000000000..b259be5df
--- /dev/null
+++ b/testsuite/gna/issue2388/top_a.vhd
@@ -0,0 +1,7 @@
+
+architecture rtl of unit_b is
+begin
+
+    b <= not a;
+
+end architecture;
diff --git a/testsuite/gna/issue2388/top_e.vhd b/testsuite/gna/issue2388/top_e.vhd
new file mode 100644
index 000000000..9933cb6e6
--- /dev/null
+++ b/testsuite/gna/issue2388/top_e.vhd
@@ -0,0 +1,37 @@
+
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity unit_a is
+    port (
+        clk   : in  std_logic;
+        reset : in  std_logic;
+
+        a     : in  std_logic;
+        b     : out std_logic
+    );
+end entity;
+
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity unit_b is
+    port (
+        clk   : in std_logic;
+        reset : in std_logic;
+
+        a     : in  std_logic;
+        b     : out std_logic
+    );
+end entity;
+
+architecture rtl of unit_a is
+begin
+    my_inst: entity work.unit_b
+      port map (
+        clk => clk,
+        reset => reset,
+        a => a,
+        b => b
+      );
+end architecture;
-- 
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