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[v12.x] deps: V8: cherry-pick 548f6c81d424 #33553

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Commits on May 25, 2020

  1. deps: V8: cherry-pick 548f6c81d424

    Original commit message:
    
        [runtime] Don't track transitions for certainly detached maps
    
        Previously such maps were marked as prototype, but that has bad
        performance / memory characteristics if objects are used as
        dictionaries.
    
        Bug: b:148346655, v8:10339
        Change-Id: I287c5664c8b7799a084669aaaffe3affcf73e95f
        Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2179322
        Reviewed-by: Igor Sheludko <ishell@chromium.org>
        Commit-Queue: Toon Verwaest <verwaest@chromium.org>
        Cr-Commit-Position: refs/heads/master@{#67537}
    
    Refs: v8/v8@548f6c8
    
    PR-URL: nodejs#33484
    Reviewed-By: Anna Henningsen <anna@addaleax.net>
    Reviewed-By: Matheus Marchini <mat@mmarchini.me>
    Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
    Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
    Reviewed-By: James M Snell <jasnell@gmail.com>
    Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
    dominykas committed May 25, 2020
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