[JS IR] Generate context dependent names for anonymous objects and classes.

js/js.translator/testData/box/objectDeclaration/contextDependentObjectName.kt

@@ -0,0 +1,23 @@
+interface A {
+    fun run()
+}
+
+// CHECK_FUNCTION_EXISTS: box$a$1 TARGET_BACKENDS=JS_IR
+// CHECK_FUNCTION_EXISTS: box$a$1$run$b$1 TARGET_BACKENDS=JS_IR
+fun box(): String {
+    var result = "FAILURE"
+
+    val a: A = object : A {
+        override fun run() {
+            val b = object {
+                fun foo() {
+                    result = "OK"
+                }
+            }
+            b.foo()
+        }
+    }
+
+    a.run()
+    return result
+}