The following revision refers to this bug:
  https://chromium.googlesource.com/v8/v8.git/+/15f99cd5b580cd271af15fb72273ba97e6005eaf

commit 15f99cd5b580cd271af15fb72273ba97e6005eaf
Author: bmeurer <bmeurer@chromium.org>
Date: Tue Jul 19 08:27:52 2016

[turbofan] Properly handle bit->float64 representation changes.

BUG= chromium:629062 
R=jarin@chromium.org

Review-Url: https://codereview.chromium.org/2155323003
Cr-Commit-Position: refs/heads/master@{#37853}

[modify] https://crrev.com/15f99cd5b580cd271af15fb72273ba97e6005eaf/src/compiler/representation-change.cc
[modify] https://crrev.com/15f99cd5b580cd271af15fb72273ba97e6005eaf/test/cctest/compiler/test-representation-change.cc
[add] https://crrev.com/15f99cd5b580cd271af15fb72273ba97e6005eaf/test/mjsunit/regress/regress-crbug-629062.js

ClusterFuzz has detected this issue as fixed in range 37851:37885.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6018237884268544

Fuzzer: mbarbella_js_mutation_test262
Job Type: linux_v8_d8_tot
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  NumberEqual of kRepBit (Constant(ADDRESS <false>)) cannot be changed to kRepFloa
  
Fixed: V8: r37851:37885

Minimized Testcase (23.30 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96TVftgAt4tuFkH2g8SeG4oDvqh5OExap6fYkzzX5APX8qjIGOfHd2oIk80JZsnaNmsAaO0YmvM3QI7ZAFIOR_Mq5e86rJqhgEuw4vYolNiQoxTVrFb9OfUCU05YY9QarLx6aaoDAICevWCmryz0ZqBfIj8sCZs273yEPYtlyCwmPzbZQM?testcase_id=6018237884268544

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.

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