testsuite/synth: add a test for #2222

2 files changed, 28 insertions, 0 deletions

diff --git a/testsuite/synth/issue2222/ent.vhdl b/testsuite/synth/issue2222/ent.vhdl
new file mode 100644
index 000000000..342713dc8
--- /dev/null
+++ b/testsuite/synth/issue2222/ent.vhdl
@@ -0,0 +1,21 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity ent is
+  port (o : out std_ulogic);
+end;
+
+architecture a of ent is
+  procedure proc (
+    signal pin : out std_ulogic;
+    constant drive_pin : boolean := false
+    ) is
+  begin
+    if drive_pin then
+      pin <= '1';
+    end if;
+  end procedure;
+begin
+  o <= '1';
+  proc(pin => o);
+end;
diff --git a/testsuite/synth/issue2222/testsuite.sh b/testsuite/synth/issue2222/testsuite.sh
new file mode 100755
index 000000000..08ebf93a4
--- /dev/null
+++ b/testsuite/synth/issue2222/testsuite.sh
@@ -0,0 +1,7 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+synth_only ent
+
+echo "Test successful"