1 files changed, 24 insertions, 0 deletions
diff --git a/testsuite/synth/issue1563/tb_bug2.vhdl b/testsuite/synth/issue1563/tb_bug2.vhdl
new file mode 100644
index 000000000..b72909a59
--- /dev/null
+++ b/testsuite/synth/issue1563/tb_bug2.vhdl
@@ -0,0 +1,24 @@
+entity tb_bug2 is
+end tb_bug2;
+
+library ieee;
+use ieee.std_logic_1164.all;
+
+architecture behav of tb_bug2 is
+  signal clk : std_logic;
+  signal o : std_logic_vector(3 downto 0);
+begin
+  dut: entity work.bug2
+    port map (clk, o);
+
+  process
+  begin
+    clk <= '0';
+    wait for 1 ns;
+    assert o = "UUUU" severity failure;
+    clk <= '1';
+    wait for 1 ns;
+    assert o = "0110" severity failure;
+    wait;
+  end process;
+end behav;