1 files changed, 23 insertions, 0 deletions
diff --git a/testsuite/synth/issue1058/tb_ent.vhdl b/testsuite/synth/issue1058/tb_ent.vhdl
new file mode 100644
index 000000000..10391f98c
--- /dev/null
+++ b/testsuite/synth/issue1058/tb_ent.vhdl
@@ -0,0 +1,23 @@
+entity tb_ent is
+end tb_ent;
+
+library ieee;
+use ieee.std_logic_1164.all;
+
+architecture behav of tb_ent is
+  signal clk : std_logic;
+  signal v : std_logic_vector (31 downto 0);
+begin
+  dut: entity work.ent
+    port map (clk => clk, o => v);
+
+  process
+  begin
+    clk <= '0';
+    wait for 1 ns;
+    clk <= '1';
+    wait for 1 ns;
+    assert v = x"8000_0000" severity failure;
+    wait;
+  end process;
+end behav;