Rewrite hack in codegen for lambdas in anonymous object super calls

Synthetic ClassDescriptor created in codegen for lambdas and such should have
correct container, because it'll be used in generation of InnerClasses

compiler/testData/codegen/boxWithStdlib/reflection/enclosing/lambda/lambdaInLocalClassSuperCall.kt

@@ -0,0 +1,21 @@
+open class C(val a: Any)
+
+fun box(): String {
+    class L : C({}) {
+    }
+    val l = L()
+
+    val javaClass = l.a.javaClass
+    val enclosingMethod = javaClass.getEnclosingConstructor()!!.getName()
+    if (!enclosingMethod.startsWith("_DefaultPackage\$") || !enclosingMethod.endsWith("\$box\$L")) return "ctor: $enclosingMethod"
+
+    val enclosingClass = javaClass.getEnclosingClass()!!.getName()
+    if (!enclosingClass.startsWith("_DefaultPackage\$") || !enclosingClass.endsWith("\$box\$L")) return "enclosing class: $enclosingClass"
+
+    if (enclosingMethod != enclosingClass) return "$enclosingClass != $enclosingMethod"
+
+    val declaringClass = javaClass.getDeclaringClass()
+    if (declaringClass != null) return "anonymous function has a declaring class: $declaringClass"
+
+    return "OK"
+}