1 files changed, 24 insertions, 0 deletions
diff --git a/testsuite/gna/issue156/repro1.vhdl b/testsuite/gna/issue156/repro1.vhdl
new file mode 100644
index 000000000..6dc060c2e
--- /dev/null
+++ b/testsuite/gna/issue156/repro1.vhdl
@@ -0,0 +1,24 @@
+entity repro1 is
+port (
+  in_valid   : in  bit;
+  in_ready   : out bit);
+end;
+
+architecture rtl of repro1 is
+  subtype ret_split_t is integer range 1 to 2;
+
+  signal ready: bit_vector(0 to 3);
+  signal valid: bit_vector(0 to 3);
+
+  procedure split_stream (
+    signal outcomb    : out bit_vector;
+    signal incomb     : in bit_vector)
+  is
+  begin
+    outcomb <= (outcomb'range => '1');
+  end procedure split_stream;
+
+begin
+  split_stream (outcomb => valid(ret_split_t),
+                incomb  => ready(ret_split_t));
+end rtl;