Add more test

liufengyun · liufengyun · commit 06119487f7b8 · 2020-04-24T11:37:31.000+02:00
diff --git a/tests/neg-custom-args/fatal-warnings/i8781b.scala b/tests/neg-custom-args/fatal-warnings/i8781b.scala
@@ -0,0 +1,5 @@
+object Test:
+
+  println((3: Boolean | Int).isInstanceOf[Boolean])
+
+  println(3.isInstanceOf[Boolean])  // error
