1 files changed, 33 insertions, 0 deletions
diff --git a/testsuite/gna/issue687/ent.vhdl b/testsuite/gna/issue687/ent.vhdl
new file mode 100644
index 000000000..d19adae28
--- /dev/null
+++ b/testsuite/gna/issue687/ent.vhdl
@@ -0,0 +1,33 @@
+library ieee;
+use ieee.std_logic_1164.all;
+entity dut is
+	port (
+		sig_i : in std_logic_vector;
+		sig_o : out std_logic_vector
+	);
+end entity;
+architecture arch of dut is
+begin
+	sig_o <= sig_i;
+end architecture;
+
+library ieee;
+use ieee.std_logic_1164.all;
+entity tb is
+end entity;
+architecture bench of tb is
+	signal sin : std_ulogic_vector(1 downto 0);
+	signal sout : std_ulogic_vector(31 downto 0);
+begin
+	stim : process
+	begin
+		wait for 1 ns;
+		report to_string(sin);
+		report to_string(sout);
+		std.env.finish;
+	end process;
+	dut_inst: entity work.dut port map (
+		sig_i => sin,
+		sig_o => sout
+	);
+end architecture;