Reland "[wasm] Lazy update instances on a shared Memory.Grow"
This is a reland of 80f06d6f Original change's description: > [wasm] Lazy update instances on a shared Memory.Grow > > - Introduce a GROW_SHARED_MEMORY interrupt, and handler > - Memory objects for isolates are updated on a stack check, add > tracking for isolates that hit the stack check > - When enough memory is not reserved ahead of time, fail to grow > - Add tracking for externalized buffers in the MemoryTracker so > that the MemoryTracker will know when backing_stores can be freed. > - For shared buffer, do not always allocate a new buffer when > growing an externalized buffer > > > Change-Id: I9cf1be19f2f165fa6ea4096869f7d6365304c8c4 > Bug: v8:8564 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1472430 > Commit-Queue: Deepti Gandluri <gdeepti@chromium.org> > Reviewed-by: Ben Smith <binji@chromium.org> > Reviewed-by: Andreas Haas <ahaas@chromium.org> > Cr-Commit-Position: refs/heads/master@{#60064} Bug: v8:8564 Change-Id: Id0cf8e42a9d54ac702dba351e248a1b92713c98a Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1506357Reviewed-by:Bill Budge <bbudge@chromium.org> Commit-Queue: Deepti Gandluri <gdeepti@chromium.org> Cr-Commit-Position: refs/heads/master@{#60071}
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