1 files changed, 7 insertions, 0 deletions
diff --git a/src/ortho/oread/tests/run_neg.on b/src/ortho/oread/tests/run_neg.on
new file mode 100644
index 000000000..d7ec2dcc0
--- /dev/null
+++ b/src/ortho/oread/tests/run_neg.on
@@ -0,0 +1,7 @@
+type __ghdl_index_type is signed (32);
+
+public function main (a : __ghdl_index_type) return __ghdl_index_type
+declare
+begin
+  return -a;
+end;