testsuite: add case for #1041

2 files changed, 51 insertions, 0 deletions

diff --git a/testsuite/synth/issue1041/ent.vhdl b/testsuite/synth/issue1041/ent.vhdl
new file mode 100644
index 000000000..d6b40a1f8
--- /dev/null
+++ b/testsuite/synth/issue1041/ent.vhdl
@@ -0,0 +1,38 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity ent is
+	port (
+		reset : in std_logic;
+		clk : in std_logic
+	);
+end ent;
+
+architecture rtl of ent is
+	function const return natural is
+	begin
+		return 1;
+	end const;
+
+	constant MAX_COUNT : natural := const;
+	signal countdown : natural;
+
+	signal x : std_logic;
+	signal y : std_logic;
+begin
+	x <= '1';
+	y <= '1';
+
+	process(reset, clk)
+	begin
+		if reset then
+			countdown <= MAX_COUNT;
+		elsif rising_edge(clk) then
+			if x then
+				if y then
+					countdown <= MAX_COUNT;
+				end if;
+			end if;
+		end if;
+	end process;
+end rtl;
diff --git a/testsuite/synth/issue1041/testsuite.sh b/testsuite/synth/issue1041/testsuite.sh
new file mode 100755
index 000000000..730cf6d16
--- /dev/null
+++ b/testsuite/synth/issue1041/testsuite.sh
@@ -0,0 +1,13 @@
+#! /bin/sh
+
+. ../../testenv.sh
+
+GHDL_STD_FLAGS=--std=08
+for t in ent; do
+  synth $t.vhdl -e $t > syn_$t.vhdl
+  analyze syn_$t.vhdl
+done
+
+clean
+
+echo "Test successful"