Passing DataFlowInfo to local classes/objects

#KT-2835 In Progress
#KT-2225 In Progress
#KT-338 In Progress

compiler/testData/diagnostics/tests/dataFlow/local/LocalClassDelegatedProperties.kt

@@ -0,0 +1,16 @@
+class Del {
+  fun get(<!UNUSED_PARAMETER!>_this<!>: Any?, <!UNUSED_PARAMETER!>p<!>: PropertyMetadata): Int = 0
+}
+
+fun df(del: Del): Del = del
+
+
+fun test(del: Any?) {
+  if (del !is Del) return
+
+  class Local {
+    val delegatedVal by df(del)
+    val delegatedVal1: Int by df(del)
+  }
+}
+