1 files changed, 15 insertions, 0 deletions
diff --git a/testsuite/synth/issue1475/e2.vhdl b/testsuite/synth/issue1475/e2.vhdl
new file mode 100644
index 000000000..88b83c94d
--- /dev/null
+++ b/testsuite/synth/issue1475/e2.vhdl
@@ -0,0 +1,15 @@
+entity e2 is
+end;
+
+architecture behav of e2 is
+  type my_type is (lit1, lit2);
+
+  function "+" (l : my_type; r : natural) return my_type is
+  begin
+    return lit2;
+  end "+";
+
+  signal s : my_type := lit1;
+begin
+  assert s + (-1) = lit2;
+end behav;