• littledan's avatar
    Use a for-of loop in Array.from · defcc642
    littledan authored
    If Array.from is passed an iterable, then it will copy the contents
    to the newly created Array (or subclass). The iteration protocol here
    includes calling IteratorClose if the loop is exited early due to an
    exception thrown. This patch converts Array.from to use a for-of loop
    rather than explicitly invoking the iteration protocol so that, when
    IteratorClose is invoked on early for-of exit, then Array.from will
    call IteratorClose in the appropriate case.
    
    R=neis
    LOG=Y
    BUG=v8:4739
    
    Review URL: https://codereview.chromium.org/1686433003
    
    Cr-Commit-Position: refs/heads/master@{#33859}
    defcc642
array.js 54.6 KB