use toObject at the first place for the expected errors order

packages/core-js/internals/collection-from.js

@@ -2,17 +2,19 @@
 // https://tc39.github.io/proposal-setmap-offrom/
 var bind = require('../internals/function-bind-context');
 var anObject = require('../internals/an-object');
+var toObject = require('../internals/to-object');
 var iterate = require('../internals/iterate');
 
 module.exports = function (C, adder, ENTRY) {
   return function from(source /* , mapFn, thisArg */) {
+    var O = toObject(source);
     var length = arguments.length;
     var mapFn = length > 1 ? arguments[1] : undefined;
     var mapping = mapFn !== undefined;
     var boundFunction = mapping ? bind(mapFn, length > 2 ? arguments[2] : undefined) : undefined;
     var result = new C();
     var n = 0;
-    iterate(source, function (nextItem) {
+    iterate(O, function (nextItem) {
       var entry = mapping ? boundFunction(nextItem, n++) : nextItem;
       if (ENTRY) adder(result, anObject(entry)[0], entry[1]);
       else adder(result, entry);