Determine enclosing element correctly inside base constructor

So #KT-17680 Fixed
So #KT-18740 Fixed
So EA-76201 Fixed

idea/testData/resolve/additionalLazyResolve/anonymousObjectInBaseConstructor.kt

@@ -0,0 +1,25 @@
+package test
+
+interface A {
+    fun get(x : Int)
+}
+
+open class B(val a: A)
+
+class C : B(object : A {
+    override fun get(x : Int) {}
+})
+
+//package test
+//public interface A defined in test
+//public abstract fun get(x: kotlin.Int): kotlin.Unit defined in test.A
+//value-parameter x: kotlin.Int defined in test.A.get
+//public open class B defined in test
+//public constructor B(a: test.A) defined in test.B
+//value-parameter a: test.A defined in test.B.<init>
+//public final class C : test.B defined in test
+//public constructor C() defined in test.C
+//local final class <no name provided> : test.A defined in test.C.<init>
+//public constructor <no name provided>() defined in test.C.<init>.<no name provided>
+//public open fun get(x: kotlin.Int): kotlin.Unit defined in test.C.<init>.<no name provided>
+//value-parameter x: kotlin.Int defined in test.C.<init>.<no name provided>.get