Add testcase for #869

1 files changed, 21 insertions, 0 deletions

diff --git a/testsuite/gna/issue869/alu.vhdl b/testsuite/gna/issue869/alu.vhdl
new file mode 100644
index 000000000..a9742c2d1
--- /dev/null
+++ b/testsuite/gna/issue869/alu.vhdl
@@ -0,0 +1,21 @@
+library ieee;
+use ieee.std_logic_1164.all;
+use ieee.numeric_std.all;
+
+entity alu is
+  port (
+    a : in std_logic;
+    b : in std_logic;
+    y : out std_logic
+  );
+end alu;
+
+architecture mux of alu is
+  signal mux1: std_logic_vector(7 downto 0);
+begin
+
+  process(a, b)
+  begin
+    y <= mux1(a & b); -- now allowed
+  end process;
+end mux;