3 files changed, 58 insertions, 0 deletions
diff --git a/testsuite/synth/synth56/tb_test2.vhdl b/testsuite/synth/synth56/tb_test2.vhdl
new file mode 100644
index 000000000..3403d30db
--- /dev/null
+++ b/testsuite/synth/synth56/tb_test2.vhdl
@@ -0,0 +1,26 @@
+entity tb_test2 is
+end tb_test2;
+
+library ieee;
+use ieee.std_logic_1164.all;
+
+architecture behav of tb_test2 is
+  signal v : std_logic_vector(1 downto 0);
+  signal s : std_logic_vector(1 downto 0);
+begin
+  dut: entity work.test2
+    port map (s, v);
+
+  process
+  begin
+    s <= "00";
+    wait for 1 ns;
+    assert v = "00" severity failure;
+
+    s <= "11";
+    wait for 1 ns;
+    assert v = "10" severity failure;
+
+    wait;
+  end process;
+end behav;
diff --git a/testsuite/synth/synth56/test2.vhdl b/testsuite/synth/synth56/test2.vhdl
new file mode 100644
index 000000000..09c82d189
--- /dev/null
+++ b/testsuite/synth/synth56/test2.vhdl
@@ -0,0 +1,16 @@
+library ieee;
+use ieee.std_logic_1164.all;
+use ieee.numeric_std.all;
+
+entity test2 is
+    port (
+        d_in: in std_logic_vector(1 downto 0);
+        d_out: out std_logic_vector(1 downto 0)
+        );
+end entity test2;
+
+architecture rtl of test2 is
+    constant c : std_logic_vector (7 downto 0) := "10010000";
+begin
+    d_out <= c(to_integer(unsigned(d_in))+1 downto to_integer(unsigned(d_in)));
+end rtl;
diff --git a/testsuite/synth/synth56/testsuite.sh b/testsuite/synth/synth56/testsuite.sh
new file mode 100755
index 000000000..6ab61cc2b
--- /dev/null
+++ b/testsuite/synth/synth56/testsuite.sh
@@ -0,0 +1,16 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+for t in test2; 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
+    clean
+done
+
+echo "Test successful"