1 files changed, 12 insertions, 0 deletions
diff --git a/testsuite/synth/issue1240/issue1.vhdl b/testsuite/synth/issue1240/issue1.vhdl
new file mode 100644
index 000000000..cc5bf9f46
--- /dev/null
+++ b/testsuite/synth/issue1240/issue1.vhdl
@@ -0,0 +1,12 @@
+library ieee;
+use ieee.std_logic_1164.all;
+use ieee.numeric_std.all;
+
+entity issue1 is
+    port (foobar : out signed (3 downto 0));
+end issue1;
+
+architecture beh of issue1 is
+begin
+    foobar <= to_signed(natural'(-1), foobar'length);
+end architecture;