deps: backport 7b24219346 from v8 upstream

Original:
	Fix lookup iterator checks in GetRealNamedProperty* methods

	BUG=v8:4143
	R=verwaest@chromium.org
	LOG=n

	Review URL: https://codereview.chromium.org/1161553004

	Cr-Commit-Position: refs/heads/master@{#28616}

PR-URL: https://github.com/nodejs/io.js/pull/1805


Reviewed-By: Domenic Denicola <domenic@domenicdenicola.com>