All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=724075

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgqrP_qQkM


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

chromium-rel-mac12

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8979252454381187056

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

Hi pcc@chromium.org, the bisect results pointed to your CL, please take a look at the
results.


=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : pcc
  Commit : c1269ce7fec8568a1789e07b2b5bb3b630a67f5f
  Date   : Wed May 10 16:41:31 2017
  Subject: build: Enable optimize_for_size unconditionally.

Bisect Details
  Configuration: mac_10_12_perf_bisect
  Benchmark    : blink_perf.bindings
  Metric       : append-child/append-child
  Change       : 13.66% | 64.423068861 -> 55.6254445834

Revision             Result                   N
chromium@470536      64.4231 +- 0.418356      6      good
chromium@470572      64.5541 +- 0.881196      6      good
chromium@470590      64.1496 +- 0.866978      6      good
chromium@470599      65.2344 +- 0.832419      6      good
chromium@470604      64.9925 +- 0.386355      6      good
chromium@470605      64.2904 +- 2.34106       6      good
chromium@470606      55.5336 +- 0.416773      6      bad       <--
chromium@470608      55.6254 +- 0.424646      6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests blink_perf.bindings

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8979252454381187056

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5841532596256768


| 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 Speed>Bisection.  Thank you!