1 files changed, 15 insertions, 0 deletions
diff --git a/testsuite/gna/issue424/subBlock.vhd b/testsuite/gna/issue424/subBlock.vhd
new file mode 100644
index 000000000..4b866abc9
--- /dev/null
+++ b/testsuite/gna/issue424/subBlock.vhd
@@ -0,0 +1,15 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity subBlock is
+    port (outPort : out std_logic;
+          inPort  : in  std_logic_vector(3 downto 0)
+          );
+end entity subBlock;
+
+architecture behavioral of subBlock is
+
+begin
+    outPort <= inPort(0);
+  
+end architecture behavioral;