KT-4118 Closures mix makes code fail on runtime

#KT-4118 Fixed

compiler/testData/codegen/box/extensionFunctions/kt4118.kt

@@ -0,0 +1,94 @@
+fun Array<String>.test1(): Array<String> {
+    val func = {(i:Int) -> this}
+    return func(1)
+}
+
+fun Array<String>.test1Nested(): Array<String> {
+    val func = {(i:Int) -> { this }()}
+    return func(1)
+}
+
+
+fun Array<String>.test2() : Array<String> {
+    class Z2() {
+        fun run(): Array<String> {
+            this@test2
+        }
+    }
+    return Z2().run()
+}
+
+fun Array<String>.test2Nested() : Array<String> {
+    class Z2() {
+        fun run(): Array<String> {
+            class Z3 {
+                fun run(): Array<String> {
+                   return this@test2Nested;
+                }
+            }
+            return Z3().run()
+        }
+    }
+    return Z2().run()
+}
+
+fun Array<String>.test3(): Array<String> {
+    fun local(): Array<String> {
+        this@test3
+    }
+    return local()
+}
+
+fun Array<String>.test3Nested(): Array<String> {
+    fun local(): Array<String> {
+        fun local2(): Array<String> {
+            this@test3Nested
+        }
+        return local2()
+    }
+    return local()
+}
+
+
+fun Array<String>.test4() : Array<String> {
+    return object {
+                fun run() : Array<String> {
+                    return this@test4
+                }
+            }.run()
+}
+
+fun Array<String>.test4Nested() : Array<String> {
+    return object {
+        fun run() : Array<String> {
+            return object {
+                fun run() : Array<String> {
+                    return this@test4Nested
+                }
+            }.run()
+        }
+    }.run()
+}
+
+fun Array<DoubleArray>.test1(): Array<DoubleArray> {
+    val func = {(i:Int) -> this}
+    return func(1)
+}
+
+
+fun box() : String {
+    val array = Array<String>(2, { i -> "${i}" })
+    if (array != array.test1()) return "fail 1"
+    if (array != array.test2()) return "fail 2"
+    if (array != array.test3()) return "fail 3"
+    if (array != array.test4()) return "fail 4"
+
+    if (array != array.test1Nested()) return "fail 1Nested"
+    if (array != array.test2Nested()) return "fail 2Nested"
+    if (array != array.test3Nested()) return "fail 3Nested"
+    if (array != array.test4Nested()) return "fail 4Nested"
+
+    val array2 = Array<DoubleArray>(2, { i -> DoubleArray(i) })
+    if (array2 != array2.test1()) return "fail on array of double []"
+    return "OK"
+}