• Jakob Gruber's avatar
    [regexp] Don't check for excess zone allocations · cb4f3c69
    Jakob Gruber authored
    The regexp parser historically has tried to gracefully detect and bail
    out from excess zone allocations, where 'excess' was determined to be
    an arbitrary limit of 256MB.
    
    This leads to issues now that the regexp parser may run from within
    the JS parser - the JS parser doesn't observe this arbitrary limit and
    happily keeps allocating until the underlying allocator actually runs
    out of memory; this way, the JS parser can handle very large JS files,
    and it's now counterproductive if the regexp parser (which reuses the
    JS parser zone) bails out on excess allocations.
    
    This CL simply removes the excess_allocation mechanism.
    
    Bug: chromium:1264014
    Change-Id: I8d93a1e52aa65bb0ea6c2aab3b68b479ce79a1f6
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3401580Reviewed-by: 's avatarToon Verwaest <verwaest@chromium.org>
    Commit-Queue: Jakob Gruber <jgruber@chromium.org>
    Cr-Commit-Position: refs/heads/main@{#78991}
    cb4f3c69
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