1 files changed, 48 insertions, 0 deletions
diff --git a/testsuite/gna/issue1690/top.vhd b/testsuite/gna/issue1690/top.vhd
new file mode 100644
index 000000000..ccd70a96f
--- /dev/null
+++ b/testsuite/gna/issue1690/top.vhd
@@ -0,0 +1,48 @@
+
+Library ieee;
+use ieee.std_logic_1164.all;
+
+entity tb_top is
+end entity;
+
+
+architecture tb of tb_top is
+
+    signal a,b,c : std_logic;
+    signal clk_sys : std_logic;
+
+begin
+	
+    gen_clock_proc : process
+    begin
+        clk_sys <= '1';
+        wait for 5 ns;
+        clk_sys <= '0';
+        wait for 5 ns;
+    end process;
+	
+	test_proc : process
+	begin
+	    a <= '0';
+	    b <= '0';
+	    c <= '0';
+	    wait until rising_edge(clk_sys);
+	    a <= '1';
+	    wait until rising_edge(clk_sys);
+	    a <= '0';
+	    b <= '1';
+	    wait until rising_edge(clk_sys);
+	    b <= '0';
+	    c <= '1';
+	    wait until rising_edge(clk_sys);
+	    
+        std.env.finish;
+	end process;
+
+
+    --  psl default clock is rising_edge(clk_sys);
+
+    -- psl cov_simult_a_b_c : cover {a = '1' and b = '1' and c = '1'};
+
+end architecture tb;
+