All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=732290

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg1q61-ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDglpqjigkM


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

android-webview-nexus6

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8977002093561190960

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

Suspected Commit
  Author : thakis
  Commit : f823f843f06636feb082521d76c282a16fe2d577
  Date   : Sat Jun 10 17:33:46 2017
  Subject: android: switch from gcc to clang.

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : system_health.common_mobile
  Metric       : timeToFirstMeaningfulPaint_avg/load_tools/load_tools_stackoverflow
  Change       : 5.41% | 1264.0125 -> 1332.4385

Revision             Result                  N
chromium@478516      1264.01 +- 58.3003      6      good
chromium@478517      1332.44 +- 86.4267      6      bad       <--

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=load.tools.stackoverflow system_health.common_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8977002093561190960

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5874372444684288


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|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Speed>Bisection.  Thank you!