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deps: V8: cherry-pick 9a6a22874c81
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Original commit message:

    [heap] Fix DCHECK in TransitionArrayNeedsCompaction

    The dead target check in TransitionArrayNeedsCompaction, confirming that
    Smi (uninitialized) targets imply that no other target is dead, has to
    additionally support Smi entries.

    Bug: v8:11305
    Change-Id: I6f3fa9e7420b1bd0a64a25dae670f439e3f41162
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2622914
    Commit-Queue: Leszek Swirski <[email protected]>
    Commit-Queue: Ulan Degenbaev <[email protected]>
    Auto-Submit: Leszek Swirski <[email protected]>
    Reviewed-by: Ulan Degenbaev <[email protected]>
    Cr-Commit-Position: refs/heads/master@{#72040}

Refs: v8/v8@9a6a228

PR-URL: #36139
Reviewed-By: Jiawen Geng <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Myles Borins <[email protected]>
Reviewed-By: Shelley Vohr <[email protected]>
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targos committed Feb 11, 2021
1 parent ee01d6b commit 00e1c7e
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Showing 2 changed files with 4 additions and 2 deletions.
2 changes: 1 addition & 1 deletion common.gypi
Original file line number Diff line number Diff line change
Expand Up @@ -36,7 +36,7 @@

# Reset this number to 0 on major V8 upgrades.
# Increment by one for each non-official patch applied to deps/v8.
'v8_embedder_string': '-node.18',
'v8_embedder_string': '-node.19',

##### V8 defaults for Node.js #####

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4 changes: 3 additions & 1 deletion deps/v8/src/heap/mark-compact.cc
Original file line number Diff line number Diff line change
Expand Up @@ -2301,7 +2301,9 @@ bool MarkCompactCollector::TransitionArrayNeedsCompaction(
#ifdef DEBUG
// Targets can only be dead iff this array is fully deserialized.
for (int i = 0; i < num_transitions; ++i) {
DCHECK(!non_atomic_marking_state()->IsWhite(transitions.GetTarget(i)));
DCHECK_IMPLIES(
!transitions.GetRawTarget(i).IsSmi(),
!non_atomic_marking_state()->IsWhite(transitions.GetTarget(i)));
}
#endif
return false;
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