testsuite: add case for #1046

1 files changed, 20 insertions, 0 deletions

diff --git a/testsuite/synth/issue1046/tb_concat01.vhdl b/testsuite/synth/issue1046/tb_concat01.vhdl
new file mode 100644
index 000000000..1c6f25cc2
--- /dev/null
+++ b/testsuite/synth/issue1046/tb_concat01.vhdl
@@ -0,0 +1,20 @@
+entity tb_concat01 is
+end tb_concat01;
+
+library ieee;
+use ieee.std_logic_1164.all;
+
+architecture behav of tb_concat01 is
+  signal a : std_logic_vector(15 downto 0);
+begin
+  dut: entity work.concat01
+    port map (a);
+
+  process
+  begin
+    wait for 1 ns;
+    assert a = x"ab9e" severity failure;
+
+    wait;
+  end process;
+end behav;