The following layout test is crashing in Debug mode inspector-protocol/take-heap-snapshot.html Probable cause: It is first layout test for heap profiler backend so the problem is likely old one. Link to the dashboard: http://test-results.appspot.com/dashboards/flakiness_dashboard.html#tests=inspector-protocol%2Ftake-heap-snapshot.html
*** This bug has been marked as a duplicate of bug 104800 ***