3 files changed, 65 insertions, 0 deletions
diff --git a/testsuite/synth/const01/const01.vhdl b/testsuite/synth/const01/const01.vhdl
new file mode 100644
index 000000000..5e908d89b
--- /dev/null
+++ b/testsuite/synth/const01/const01.vhdl
@@ -0,0 +1,29 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity const01 is
+  port (o : out std_logic_vector(0 to 31));
+end const01;
+
+architecture behav of const01 is
+  type slv_array is array (natural range <>) of std_logic_vector(7 downto 0);
+
+  function conv (v : std_logic_vector) return slv_array is
+    variable r : slv_array(0 to v'length / 8 - 1);
+  begin
+    for i in 0 to r'length-1 loop
+      r (i) := v(v'length - (i*8) - 1 downto v'length - (i*8) - 8);
+    end loop;
+    return r;
+  end conv;
+
+  constant init : std_logic_vector (31 downto 0) := x"01020304";
+  constant res : slv_array (0 to 3) := conv (init);
+begin
+  o (0 to 7) <= res (0);
+  o (8 to 15) <= res (1);
+  o (16 to 23) <= res (2);
+  o (24 to 31) <= res (3);
+end behav;
+
+  
diff --git a/testsuite/synth/const01/tb_const01.vhdl b/testsuite/synth/const01/tb_const01.vhdl
new file mode 100644
index 000000000..b5fad5833
--- /dev/null
+++ b/testsuite/synth/const01/tb_const01.vhdl
@@ -0,0 +1,20 @@
+entity tb_const01 is
+end tb_const01;
+
+library ieee;
+use ieee.std_logic_1164.all;
+
+architecture behav of tb_const01 is
+  signal res : std_logic_vector(31 downto 0);
+begin
+  dut: entity work.const01
+    port map (res);
+
+  process
+  begin
+    wait for 1 ns;
+    assert res = x"01020304" severity failure;
+
+    wait;
+  end process;
+end behav;
diff --git a/testsuite/synth/const01/testsuite.sh b/testsuite/synth/const01/testsuite.sh
new file mode 100755
index 000000000..1a49d8a5d
--- /dev/null
+++ b/testsuite/synth/const01/testsuite.sh
@@ -0,0 +1,16 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+for t in const01; 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 --ieee-asserts=disable-at-0
+    clean
+done
+
+echo "Test successful"