Update tests

Author: EnzeXing

tests/init/neg/Desugar.check

@@ -0,0 +1,21 @@
+// This is a minimized test for the warning in Names.scala:174
+object Foo {
+    abstract class A {
+        var b: B = null
+        def toB: B =
+            if b == null then b = new B(this) // error
+            b
+    }
+
+    class B(a: A) {
+        var aCopy: A = a
+        def getBAgain: B = aCopy.toB
+    }
+
+    class C extends A {
+        val bAgain = toB.getBAgain
+    }
+
+    val c = new C
+    assert(c.b == c.bAgain)
+}

tests/init/neg/InteractiveDriver.check

@@ -25,7 +25,3 @@ object localWarm {
     }
     val a = new A(5)
 }
-
-
-
-

tests/init/neg/inherit-non-hot.scala

@@ -9,7 +9,7 @@ case class C[-T >: Int] (lhs: Int, rhs: Tree[T]) extends A {
 }
 
 object DesugarError {
-    val f: PartialFunction[A, Int] = {case C(_, rhs) => rhs.x} // error
+    val f: PartialFunction[A, Int] = {case C(_, rhs) => rhs.x}
 }