• mlippautz's avatar
    [heap] Enter final pause for embedder tracer in MarkLiveObjects · d75023f3
    mlippautz authored
    MarkCompactCollector::Prepare is too early in the rare case that we don't have a
    marking deque yet. EnterFinalPause could then trigger
    Heap::RegisterExternallyReferencedObject which rightfully fails because MC is
    not properly set up.
    
    Note that the DCHECK also triggers, without actual consequences, for aborting
    incremental marking.
    
    BUG=468240
    TBR=jochen@chromium.org
    
    Review-Url: https://codereview.chromium.org/2611753002
    Cr-Commit-Position: refs/heads/master@{#42044}
    d75023f3
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