1 files changed, 20 insertions, 0 deletions
diff --git a/testsuite/synth/func01/func03.vhdl b/testsuite/synth/func01/func03.vhdl
new file mode 100644
index 000000000..10022c9cb
--- /dev/null
+++ b/testsuite/synth/func01/func03.vhdl
@@ -0,0 +1,20 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity func03 is
+  port (a : std_logic_vector (7 downto 0);
+        b : out std_logic_vector (7 downto 0));
+end func03;
+
+architecture behav of func03 is
+  function gen_mask (len : natural) return std_logic_vector is
+    variable res : std_logic_vector (len - 1 downto 0);
+  begin
+    res := (0 => '1', others => '0');
+    return res;
+  end gen_mask;
+  constant mask : std_logic_vector(7 downto 0) := gen_mask (8);
+begin
+  b <= a and mask;
+end behav;
+