KT-2752: fix JsName with explicit use target. Add some tests for JsName with use targets

js/js.translator/testData/box/propertyAccess/subclassAccessorsWithJsNameInSuper.kt

@@ -0,0 +1,51 @@
+package foo
+
+open class A {
+    open val x: Int
+        @JsName("getX_") get() = 23
+
+    open var y: Int = 0
+        @JsName("getY_") get() = field + 10
+        @JsName("setY_") set(value) {
+            field = value
+        }
+}
+
+interface C {
+    @get:JsName("getZ_") val z: Int
+}
+
+class B : A(), C {
+    override val x: Int
+        get() = 42
+
+    override var y: Int
+        get() = super.y + 5
+        set(value) {
+            super.y = value + 2
+        }
+
+    override val z = 55
+}
+
+fun getPackage() = js("return Kotlin.modules.JS_TESTS.foo")
+
+fun box(): String {
+    val a = B()
+
+    assertEquals(42, a.x)
+    assertEquals(15, a.y)
+    a.y = 13
+    assertEquals(30, a.y)
+    assertEquals(55, a.z)
+
+    val d: dynamic = B()
+
+    assertEquals(42, d.getX_())
+    assertEquals(15, d.getY_())
+    d.setY_(13)
+    assertEquals(30, d.getY_())
+    assertEquals(55, d.getZ_())
+
+    return "OK"
+}