Fix bug with long stack traces truncation in DevTools CPU profiler.

src/cpu-profiler.cc

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 226 matching lines @@
     // Make a local copy of tick sample record to ensure that it won't
     // be modified as we are processing it. This is possible as the
     // sampler writes w/o any sync to the queue, so if the processor
     // will get far behind, a record may be modified right under its
     // feet.
     TickSampleEventRecord record = *rec;
     if (record.order == dequeue_order) {
       // A paranoid check to make sure that we don't get a memory overrun
       // in case of frames_count having a wild value.
       if (record.sample.frames_count < 0
-          || record.sample.frames_count >= TickSample::kMaxFramesCount)
+          || record.sample.frames_count > TickSample::kMaxFramesCount)
         record.sample.frames_count = 0;
       generator_->RecordTickSample(record.sample);
       ticks_buffer_.FinishDequeue();
     } else {
       return true;
     }
   }
 }
 
 
@@ skipping 342 matching lines @@
 #ifdef ENABLE_LOGGING_AND_PROFILING
   Isolate* isolate = Isolate::Current();
   if (isolate->cpu_profiler() != NULL) {
     delete isolate->cpu_profiler();
   }
   isolate->set_cpu_profiler(NULL);
 #endif
 }
 
 } }  // namespace v8::internal