testsuite/synth: add a test for #1319

1 files changed, 30 insertions, 0 deletions

diff --git a/testsuite/synth/issue1319/repro2.vhdl b/testsuite/synth/issue1319/repro2.vhdl
new file mode 100644
index 000000000..7872e1163
--- /dev/null
+++ b/testsuite/synth/issue1319/repro2.vhdl
@@ -0,0 +1,30 @@
+library ieee;
+use ieee.std_logic_1164.all;
+use ieee.numeric_std.all;
+
+library work;
+
+entity repro2 is
+	port (
+		i : in std_ulogic_vector(1 downto 0);
+                o : out std_ulogic_vector (3 downto 0)
+	);
+end entity repro2;
+
+architecture behav of repro2 is
+    function func (v : std_ulogic_vector (1 downto 0)) return std_ulogic_vector is
+       variable res : std_ulogic_vector (3 downto 0);
+    begin
+       case v is
+       when "01" =>
+           res := "1111";
+       when others =>
+           res := "0000";
+           return "0000";
+       end case;
+       return res;
+    end;
+
+begin
+  o <= func (i);
+end architecture behav;