1 files changed, 20 insertions, 0 deletions

diff --git a/testsuite/issues/issue61/vector.vhdl b/testsuite/issues/issue61/vector.vhdl
new file mode 100644
index 0000000..34274be
--- /dev/null
+++ b/testsuite/issues/issue61/vector.vhdl
@@ -0,0 +1,20 @@
+library ieee;
+use ieee.std_logic_1164.all;
+use ieee.numeric_std.all;
+
+entity vector is
+  port (v: out signed(63 downto 0);
+        u: out unsigned(63 downto 0));
+end vector;
+
+architecture synth of vector is
+  signal v1 : signed (63 downto 0);
+  signal u1 : unsigned (63 downto 0);
+
+begin
+  v1 <= x"0ffffffffffffff0";
+  v <= v1+(-1);
+  u1 <= x"00ffffffffffff00";
+--  u <= u1 + (-6); -- +4294967290;
+  u <= u1 + 6;
+end synth;