testsuite/synth: add a test for #2013

1 files changed, 26 insertions, 0 deletions

diff --git a/testsuite/synth/issue2013/tc3.vhdl b/testsuite/synth/issue2013/tc3.vhdl
new file mode 100644
index 000000000..da029fe9a
--- /dev/null
+++ b/testsuite/synth/issue2013/tc3.vhdl
@@ -0,0 +1,26 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity tc3 is
+    port (
+        state   : in std_ulogic;
+        o       : out std_ulogic_vector(3 downto 0)
+        );
+end entity tc3;
+
+architecture behaviour of tc3 is
+    signal misc_sel      : std_ulogic_vector(3 downto 0);
+begin
+    testcase_0: process(all)
+    begin
+        misc_sel <= "0000";
+
+        if state = '0' then
+          misc_sel <= "0111";
+        else
+          misc_sel(3) <= '1';
+        end if;
+
+        o <= misc_sel;
+    end process;
+end architecture behaviour;