All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=835977

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=d5abfd8c820affb86b5f2b28550ed805e311955b5a4dae0e1cbbad172b8c2e84


Bot(s) for this bug's original alert(s):

android-one
chromium-rel-mac11-pro
chromium-rel-win7-x64-dual
chromium-rel-win8-dual
linux
linux-release
mac
win

📍 Pinpoint job started.
https://pinpoint-dot-chromeperf.appspot.com/job/172ab321c40000

😿 Pinpoint job stopped with an error.
https://pinpoint-dot-chromeperf.appspot.com/job/172ab321c40000

Buildbucket says the build completed successfully, but Pinpoint can't find the isolate hash.

📍 Pinpoint job started.
https://pinpoint-dot-chromeperf.appspot.com/job/12f47009c40000

📍 Pinpoint job started.
https://pinpoint-dot-chromeperf.appspot.com/job/12f81a49c40000

📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/12f47009c40000

[builtins] Re-enable embedded builtins by jgruber@chromium.org
https://chromium.googlesource.com/v8/v8/+/c7e6cf7e6defbe57fd8e0082f88efac6bf4a1220

Understanding performance regressions:
  http://g.co/ChromePerformanceRegressions

📍 Found significant differences after each of 2 commits.
https://pinpoint-dot-chromeperf.appspot.com/job/12f81a49c40000

[builtins] Re-enable embedded builtins by jgruber@chromium.org
https://chromium.googlesource.com/v8/v8/+/c7e6cf7e6defbe57fd8e0082f88efac6bf4a1220

Update v8heapconst.py by jgruber@chromium.org
https://chromium.googlesource.com/v8/v8/+/c5945ca20831365bddf8a44ce91fefe356c4475c

Understanding performance regressions:
  http://g.co/ChromePerformanceRegressions

This bug has alerts for both size regressions (which are expected, code moves from the snapshot blob into the binary) and perf regressions (also expected, I'm working on that).