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78eb420fed
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}
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| acorn | ||
| acorn-plugins | ||
| brotli | ||
| cares | ||
| histogram | ||
| icu-small | ||
| llhttp | ||
| nghttp2 | ||
| node-inspect | ||
| npm | ||
| openssl | ||
| uv | ||
| uvwasi | ||
| v8 | ||
| zlib | ||