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deps: V8: backport e29c62b74854

Rodrigo Muino Tomonari requested to merge github/fork/addaleax/backport-bs-clear into master

Original commit message:

[arraybuffer] Clean up BackingStore even if it pointer to nullptr

For a zero-length BackingStore allocation, it is valid for the
underlying memory to be a null pointer. However, some cleanup
is still necessary, since the BackingStore may hold a reference
to the allocator itself, which needs to be released when destroying
the `BackingStore` instance.

Change-Id: I1f168079d39e4592d2fde31fbe5f705586690e85
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2169646
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Ulan Degenbaev <ulan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#67420}

Refs: https://github.com/v8/v8/commit/e29c62b7485462c1ce8f4129b26e7f7a4d4b193c

Checklist
  • make -j4 test (UNIX), or vcbuild test (Windows) passes
  • commit message follows commit guidelines

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