testsuite/synth: add a test for #1961

1 files changed, 34 insertions, 0 deletions

diff --git a/testsuite/synth/issue1961/bug.vhdl b/testsuite/synth/issue1961/bug.vhdl
new file mode 100644
index 000000000..61a3593ed
--- /dev/null
+++ b/testsuite/synth/issue1961/bug.vhdl
@@ -0,0 +1,34 @@
+library IEEE;
+use IEEE.std_logic_1164.all;
+use IEEE.numeric_std.all;
+
+entity bug is
+	port (
+		clk : in std_ulogic
+	);
+end bug;
+
+architecture struct of bug is
+
+	type a_t is record
+		value : unsigned;
+	end record;
+
+	type a_array_t is array(natural range<>) of a_t;
+
+	type b_t is record
+		a : a_array_t;
+	end record;
+
+	type b_array_t is array(natural range<>) of b_t;
+
+	function fun return natural is
+		variable b : b_array_t(0 to 1)(a(0 to 31)(value(31 downto 0)));
+	begin
+		return 0;
+	end function;
+
+	constant dummy : natural := fun;
+begin
+	
+end architecture;