Implements the change proposed at https://github.com/tc39/ecma262/pull/593. In summary, Object.getOwnPropertyDescriptors can produce results which cause Object.defineProperties() to throw, by inserting a property with an undefined descriptor into the result object. This change to the algorithm requires that the descriptor only be added to the result object if it is not undefined. BUG=v8:4725 R=littledan@chromium.org, adamk@chromium.org, jwolfe@igalia.com Review-Url: https://codereview.chromium.org/2118613003 Cr-Commit-Position: refs/heads/master@{#37504}
Both of them shipped in Chrome 49 without incident. Also move relevant tests from harmony/ to es6/. Review URL: https://codereview.chromium.org/1815773002 Cr-Commit-Position: refs/heads/master@{#34964}
BUG=v8:4725 LOG=N R=adamk@chromium.org, cbruni@chromium.org, rossberg@chromium.org Review URL: https://codereview.chromium.org/1658773003 Cr-Commit-Position: refs/heads/master@{#33752}
