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[JSC] Add tests ensuring that extraMemorySize is monotonically increa…
…sing until full-collection happens

Reviewed by Mark Lam.

This patch adds tests ensuring that extraMemorySize is monotonically increasing until full-collection happens.
If this assumption is broken, GC scheduling can be confused. And we crash with existing assertions.

* JSTests/stress/array-buffer-transfer-should-not-reduce-extra-memory-size.js: Added.

Canonical link:
git-svn-id: 268f45cc-cd09-0410-ab3c-d52691b4dbfc
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Constellation committed Jun 22, 2022
1 parent 3ccdbb0 commit 8d3f92b
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for (let i = 0; i < 100; i++)
transferArrayBuffer(new Uint8Array(2 ** 21).buffer);

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