1 files changed, 28 insertions, 0 deletions
diff --git a/testsuite/synth/issue1258/ent.vhdl b/testsuite/synth/issue1258/ent.vhdl
new file mode 100644
index 000000000..045bec142
--- /dev/null
+++ b/testsuite/synth/issue1258/ent.vhdl
@@ -0,0 +1,28 @@
+-- count number of '1'.
+library ieee;
+use ieee.std_logic_1164.all;
+entity ent is
+  port    (
+    sel   : in  std_ulogic;
+    din   : in  std_ulogic_vector(15 downto 0);
+    dout  : out std_ulogic
+  );
+end;
+
+architecture rtl of ent is
+begin
+  comb : process (sel, din)
+    variable v : std_ulogic;
+  begin
+    v := '0';
+    if sel = '1' then
+      for i in din'range loop
+        if din(i) = '0' then
+          next;
+        end if;
+        v := not v;
+      end loop;
+    end if;
+    dout <= v;
+  end process;
+end;