testsuite/synth: add a test for #1114

2 files changed, 35 insertions, 0 deletions

diff --git a/testsuite/synth/issue1114/ent.vhdl b/testsuite/synth/issue1114/ent.vhdl
new file mode 100644
index 000000000..05aaa8952
--- /dev/null
+++ b/testsuite/synth/issue1114/ent.vhdl
@@ -0,0 +1,24 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity ent is
+	port (
+		clk : in std_logic;
+		i : in std_logic_vector(7 downto 0);
+		o : out std_logic_vector(3 downto 0)
+	);
+end;
+
+architecture a of ent is
+	function invert(x : std_logic_vector) return std_logic_vector is
+	begin
+		return not x;
+	end function;
+begin
+	process(clk)
+	begin
+		if rising_edge(clk) then
+			o <= invert(i)(3 downto 0);
+		end if;
+	end process;
+end;
diff --git a/testsuite/synth/issue1114/testsuite.sh b/testsuite/synth/issue1114/testsuite.sh
new file mode 100755
index 000000000..976a2eec7
--- /dev/null
+++ b/testsuite/synth/issue1114/testsuite.sh
@@ -0,0 +1,11 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+for t in ent; do
+    synth $t.vhdl -e $t > syn_$t.vhdl
+    analyze syn_$t.vhdl
+    clean
+done
+
+echo "Test successful"