From bd2cfc9f25dbe2a7e7359936fca38538c89043fa Mon Sep 17 00:00:00 2001
From: Tristan Gingold <tgingold@free.fr>
Date: Fri, 7 Aug 2020 06:38:08 +0200
Subject: testsuite/gna: add test for #922

---
 testsuite/gna/issue922/dut.vhdl     | 22 ++++++++++++++++++++++
 testsuite/gna/issue922/testsuite.sh | 11 +++++++++++
 2 files changed, 33 insertions(+)
 create mode 100644 testsuite/gna/issue922/dut.vhdl
 create mode 100755 testsuite/gna/issue922/testsuite.sh

(limited to 'testsuite')

diff --git a/testsuite/gna/issue922/dut.vhdl b/testsuite/gna/issue922/dut.vhdl
new file mode 100644
index 000000000..acb8c951f
--- /dev/null
+++ b/testsuite/gna/issue922/dut.vhdl
@@ -0,0 +1,22 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity dut is
+generic (
+    adr_width : positive := 16
+);
+end entity dut;
+architecture rtl of dut is
+    function deser(b : bit_vector) return bit_vector is
+        variable ab : bit_vector(adr_width-1 downto 0);
+        variable ba : bit_vector(adr_width-1 downto 0);
+    begin
+        -- Below causes crash
+        (ab, ba) := b;
+        return ab&ba;
+    end function;
+    signal s1 : bit_vector(adr_width*2-1 downto 0);
+    signal s2 : bit_vector(adr_width-1 downto 0);
+begin
+    s1 <= deser(s2);
+end architecture rtl;
diff --git a/testsuite/gna/issue922/testsuite.sh b/testsuite/gna/issue922/testsuite.sh
new file mode 100755
index 000000000..0a831521f
--- /dev/null
+++ b/testsuite/gna/issue922/testsuite.sh
@@ -0,0 +1,11 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+export GHDL_STD_FLAGS=--std=08
+analyze dut.vhdl
+elab_simulate dut
+
+clean
+
+echo "Test successful"
-- 
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