Passing DataFlowInfo to local classes/objects

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

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

@@ -0,0 +1,15 @@
+// KT-2225 Object expression delegation parameter should be checked with data flow info
+
+trait A {
+    fun foo() : Int
+}
+
+class B : A {
+    override fun foo() = 10
+}
+fun foo(b: B?) : Int {
+    if (b == null) return 0
+    val o = object : A by b { //no info about b not null check
+    }
+    return o.foo()
+}