3 files changed, 56 insertions, 0 deletions
diff --git a/testsuite/synth/aggr03/conv01.vhdl b/testsuite/synth/aggr03/conv01.vhdl
new file mode 100644
index 000000000..07ffa2835
--- /dev/null
+++ b/testsuite/synth/aggr03/conv01.vhdl
@@ -0,0 +1,17 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity conv01 is
+  port (i : std_logic_vector (19 downto 0);
+        o : out std_logic_vector (31 downto 0));
+end conv01;
+
+architecture behav of conv01 is
+begin
+  process (i)
+    variable v : std_logic_vector (31 downto 0);
+  begin
+    v := (i'left downto 0 => i, others => '0');
+    o <= v;
+  end process;
+end behav;
diff --git a/testsuite/synth/aggr03/tb_conv01.vhdl b/testsuite/synth/aggr03/tb_conv01.vhdl
new file mode 100644
index 000000000..32ea74d84
--- /dev/null
+++ b/testsuite/synth/aggr03/tb_conv01.vhdl
@@ -0,0 +1,22 @@
+entity tb_conv01 is
+end tb_conv01;
+
+library ieee;
+use ieee.std_logic_1164.all;
+
+architecture behav of tb_conv01 is
+  signal i : std_logic_vector(19 downto 0);
+  signal o : std_logic_vector(31 downto 0);
+begin
+  dut: entity work.conv01
+    port map (i => i, o => o);
+
+  process
+  begin
+    i <= x"abcde";
+    wait for 1 ns;
+    assert o = x"000_abcde" severity failure;
+
+    wait;
+  end process;
+end behav;
diff --git a/testsuite/synth/aggr03/testsuite.sh b/testsuite/synth/aggr03/testsuite.sh
new file mode 100644
index 000000000..effc23552
--- /dev/null
+++ b/testsuite/synth/aggr03/testsuite.sh
@@ -0,0 +1,17 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+GHDL_STD_FLAGS=--std=08
+for t in conv01; 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"