Roll v8/ 64478f20c..9b3386186 (554 commits)

https://chromium.googlesource.com/v8/v8.git/+log/64478f20cfc0..9b3386186a11

Version 9.2.176

Created with:
  roll-dep v8

Change-Id: Ifdb306b02a43a26fd59cc248d59d0f973360f015
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/80271
Reviewed-by: Hui Yingst <nigi@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
diff --git a/DEPS b/DEPS
index b703fe5..848ca8e 100644
--- a/DEPS
+++ b/DEPS
@@ -127,7 +127,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling v8
   # and whatever else without interference from each other.
-  'v8_revision': '64478f20cfc01191c2173ac646f73e599c9f3f69',
+  'v8_revision': '9b3386186a11519a57f7368d5f2a354c7204ae86',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling zlib
   # and whatever else without interference from each other.