KT-2752: add diagnostic that reports about applying JsName on overridden declarations

compiler/testData/diagnostics/testsWithJsStdLib/name/jsNameOnOverride.kt

@@ -0,0 +1,19 @@
+package foo
+
+open class A {
+    @JsName("foo_") open fun foo() = 23
+
+    @JsName("bar_") open val bar = 123
+
+    open val baz: Int
+        @JsName("getBaz_") get() = 55
+}
+
+class B : A() {
+    <!JS_NAME_PROHIBITED_FOR_OVERRIDE!>@JsName("foo__")<!> override fun foo() = 42
+
+    <!JS_NAME_PROHIBITED_FOR_OVERRIDE!>@JsName("bar__")<!> override val bar = 142
+
+    override val baz: Int
+        <!JS_NAME_PROHIBITED_FOR_OVERRIDE!>@JsName("getBaz__")<!> get() = 155
+}

compiler/testData/diagnostics/testsWithJsStdLib/name/jsNameOnOverride.txt

@@ -0,0 +1,24 @@
+package
+
+package foo {
+
+    public open class A {
+        public constructor A()
+        @kotlin.js.JsName(name = "bar_") public open val bar: kotlin.Int = 123
+        public open val baz: kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        @kotlin.js.JsName(name = "foo_") public open fun foo(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public final class B : foo.A {
+        public constructor B()
+        @kotlin.js.JsName(name = "bar__") public open override /*1*/ val bar: kotlin.Int = 142
+        public open override /*1*/ val baz: kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        @kotlin.js.JsName(name = "foo__") public open override /*1*/ fun foo(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+}