1 files changed, 11 insertions, 0 deletions
diff --git a/testsuite/synth/issue1509/pass01.vhdl b/testsuite/synth/issue1509/pass01.vhdl
new file mode 100644
index 000000000..a7e780dd6
--- /dev/null
+++ b/testsuite/synth/issue1509/pass01.vhdl
@@ -0,0 +1,11 @@
+entity pass01 is
+    port (
+        i: in integer range -4 to 4;
+        o: out integer range -4 to 4
+    );
+end entity;
+
+architecture arch of pass01 is
+begin
+    o <= i;
+end architecture;