testsuite/synth: add a test for #1945

1 files changed, 26 insertions, 0 deletions

diff --git a/testsuite/synth/issue1945/tb_alias02.vhdl b/testsuite/synth/issue1945/tb_alias02.vhdl
new file mode 100644
index 000000000..ccc2ee17f
--- /dev/null
+++ b/testsuite/synth/issue1945/tb_alias02.vhdl
@@ -0,0 +1,26 @@
+entity tb_alias02 is
+end tb_alias02;
+
+library ieee;
+use ieee.std_logic_1164.all;
+
+architecture behav of tb_alias02 is
+  signal o : std_logic_vector(7 downto 0);
+  signal i : std_logic;
+begin
+  dut: entity work.alias02
+    port map (i => i, o => o);
+
+  process
+  begin
+    i <= '1';
+    wait for 1 ns;
+    assert o = x"ff" severity failure;
+
+    i <= '0';
+    wait for 1 ns;
+    assert o = x"c3" severity failure;
+
+    wait;
+  end process;
+end behav;