testsuite/synth: add a test for #1064

3 files changed, 60 insertions, 0 deletions

diff --git a/testsuite/synth/issue1064/tb_test.vhdl b/testsuite/synth/issue1064/tb_test.vhdl
new file mode 100644
index 000000000..1910605df
--- /dev/null
+++ b/testsuite/synth/issue1064/tb_test.vhdl
@@ -0,0 +1,20 @@
+entity tb_test is
+end tb_test;
+
+library ieee;
+use ieee.std_logic_1164.all;
+
+architecture behav of tb_test is
+  signal a : std_logic;
+  signal b : std_logic;
+begin
+  dut: entity work.test
+    port map (a, b);
+
+  process
+  begin
+    wait for 1 ns;
+    assert b = '0' severity failure;
+    wait;
+  end process;
+end behav;
diff --git a/testsuite/synth/issue1064/test.vhdl b/testsuite/synth/issue1064/test.vhdl
new file mode 100644
index 000000000..7895a602c
--- /dev/null
+++ b/testsuite/synth/issue1064/test.vhdl
@@ -0,0 +1,23 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity test is
+  port (i : std_ulogic;
+        o : out std_ulogic);
+end entity test;
+
+architecture behaviour of test is
+    procedure zot(e: inout std_ulogic) is
+    begin
+        e := '0';
+    end;
+
+begin
+    execute1_1: process(all)
+        variable blah: std_ulogic;
+    begin
+      blah := i;
+      zot(blah);
+      o <= blah;
+    end process;
+end architecture behaviour;
diff --git a/testsuite/synth/issue1064/testsuite.sh b/testsuite/synth/issue1064/testsuite.sh
new file mode 100755
index 000000000..ffd46daf3
--- /dev/null
+++ b/testsuite/synth/issue1064/testsuite.sh
@@ -0,0 +1,17 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+GHDL_STD_FLAGS=--std=08
+for t in test; do
+    analyze $t.vhdl tb_$t.vhdl
+    elab_simulate tb_$t
+    clean
+
+    synth $t.vhdl -e $t > syn_$t.vhdl
+    analyze syn_$t.vhdl tb_$t.vhdl
+    elab_simulate tb_$t --ieee-asserts=disable-at-0
+    clean
+done
+
+echo "Test successful"