Commits on Feb 9, 2021

1. deps: V8: cherry-pick 0c8b6e415c30 …

   Original commit message:
   
       [mac][wasm] Work around MacOS 11.2 code page decommit failures
   
       MacOS 11.2 refuses to set "no access" permissions on memory that
       we previously used for JIT-compiled code. It is still unclear
       whether this is WAI on the part of the kernel. In the meantime,
       as a workaround, we use madvise(..., MADV_FREE_REUSABLE) instead
       of mprotect(..., NONE) when discarding code pages. This is inspired
       by what Chromium's gin platform does.
   
       Fixed: v8:11389
       Change-Id: I866586932573b4253002436ae5eee4e0411c45fc
       Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2679688
       Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
       Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
       Auto-Submit: Jakob Kummerow <jkummerow@chromium.org>
       Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
       Cr-Commit-Position: refs/heads/master@{#72559}
   
   Refs: v8/v8@0c8b6e4

   

   mcollina committed Feb 9, 2021
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