Add more tests

Author: liufengyun

tests/init/neg/global-cycle9.scala

@@ -0,0 +1,20 @@
+object Names {              // error
+  abstract class Name
+
+  abstract class TermName extends Name:
+    def toTypeName: TypeName = ???
+
+  final class SimpleName(val start: Int, val length: Int) extends TermName
+  final class TypeName(val toTermName: TermName) extends Name
+
+  class NameTable:
+    def add(index: Int, name: Name): Unit = ()
+    add(0, EmptyTermName)
+
+  var chrs: Array[Char] = new Array[Char](1024)
+
+  val EmptyTermName: SimpleName = SimpleName(-1, 0)
+  val EmptyTypeName: TypeName = EmptyTermName.toTypeName
+
+  val nameTable = NameTable()
+}