All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=629315

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgitOulgsM


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

chromium-rel-mac11

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9006757247181656848

Assigning to OWNER. Please either fix or disable this test.

=== Auto-CCing suspected CL author bmeurer@chromium.org ===

Hi bmeurer@chromium.org, the bisect results pointed to your CL below as possibly
causing a regression. Please have a look at this info and see whether
your CL be related.


===== BISECT JOB RESULTS =====
Status: completed


===== SUSPECTED CL(s) =====
Subject : [stubs] Properly handle length overflow in StringAddStub.
Author  : bmeurer
Commit description:
  
Using the Hydrogen code stub bailout mechanism is not correct for the
string length overflow check in the StringAddStub. Instead make sure we
just throw the proper exception.

R=mstarzinger@chromium.org
BUG= chromium:627934 

Review-Url: https://codereview.chromium.org/2146353002
Cr-Commit-Position: refs/heads/master@{#37758}
Commit  : 6530a16eb5b7ccfd4cbcda105035f2c4c27295db
Date    : Thu Jul 14 11:47:42 2016


===== TESTED REVISIONS =====
Revision                       Mean     Std Dev  N  Good?
chromium@405539                10366.1  41.4227  8  good
chromium@405555                10127.0  815.018  8  good
chromium@405563                10378.1  54.4468  8  good
chromium@405567                10386.7  147.013  8  good
chromium@405569                10379.1  56.9707  8  good
chromium@405570                10428.1  26.4332  5  good
chromium@405570,v8@8226c88b52  10446.6  49.2079  8  good
chromium@405570,v8@6530a16eb5  8658.97  1080.33  8  bad    <--
chromium@405570,v8@95ba1af314  8072.2   23.2733  8  bad
chromium@405570,v8@d93fd41aaa  8055.94  36.5021  5  bad
chromium@405570,v8@fee5858391  8077.0   32.4406  5  bad
chromium@405571                8425.15  798.535  8  bad

Bisect job ran on: mac_10_11_perf_bisect
Bug ID: 629315

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --also-run-disabled-tests blink_perf.canvas
Test Metric: drawimage-not-pixelaligned/drawimage-not-pixelaligned
Relative Change: 17.24%
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_10_11_perf_bisect/builds/745
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9006757247181656848


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5827189988130816

| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Tests>AutoBisect.  Thank you!

Reassigning to OWNER. Please either fix or disable this test.

This issue was created > 6 months ago. The perf waterfall has changed significantly since then. If this bug is still relevant, please re-open.