• Ulan Degenbaev's avatar
    Revert "Reland "[heap] Add mechanism for tracking invalidated slots per memory chunk."" · 6fde541d
    Ulan Degenbaev authored
    This reverts commit d4a742fd.
    
    Reason for revert: gc-stress failures
    
    Original change's description:
    > Reland "[heap] Add mechanism for tracking invalidated slots per memory chunk."
    > 
    > This reverts commit c59b81d7.
    > 
    > Original change's description:
    > > [heap] Add mechanism for tracking invalidated slots per memory chunk.
    > 
    > > For correct slots recording in concurrent marker, we need to resolve
    > > the race that happens when
    > > 1) the mutator is invalidating slots for double unboxing or string
    > > conversions
    > > 2) and the concurrent marker is recording these slots.
    > 
    > > This patch adds a data-structure for tracking the invalidated objects.
    > > Thus we can allow the concurrent marker to record slots without
    > > worrying about clearing them. During old-to-old pointer updating phase
    > > we re-check all slots that belong to the invalidated objects.
    > 
    > BUG=chromium:694255
    > 
    > Change-Id: Idf8927d162377a7bbdff34f81a87e52db27d6a9f
    > Reviewed-on: https://chromium-review.googlesource.com/596868
    > Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
    > Commit-Queue: Ulan Degenbaev <ulan@chromium.org>
    > Cr-Commit-Position: refs/heads/master@{#47068}
    
    TBR=ulan@chromium.org,mlippautz@chromium.org
    
    Change-Id: I81c6059a092cc5834acd799c51fd30dc0ecf5b27
    No-Presubmit: true
    No-Tree-Checks: true
    No-Try: true
    Bug: chromium:694255
    Reviewed-on: https://chromium-review.googlesource.com/597787Reviewed-by: 's avatarUlan Degenbaev <ulan@chromium.org>
    Commit-Queue: Ulan Degenbaev <ulan@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#47078}
    6fde541d
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