Fixed alignment issues of ProfilerEventsProcessor.

src/cpu-profiler.h

 // Copyright 2012 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 140 matching lines @@
   // Puts current stack into tick sample events buffer.
   void AddCurrentStack(Isolate* isolate);
 
   // Tick sample events are filled directly in the buffer of the circular
   // queue (because the structure is of fixed width, but usually not all
   // stack frame entries are filled.) This method returns a pointer to the
   // next record of the buffer.
   inline TickSample* StartTickSample();
   inline void FinishTickSample();
 
+  // SamplingCircularQueue has stricter alignment requirements than a normal new
+  // can fulfil, so we need to provide our own new/delete here.
+  void* operator new(size_t size);
+  void operator delete(void* ptr);
+
  private:
   // Called from events processing thread (Run() method.)
   bool ProcessCodeEvent();
 
   enum SampleProcessingResult {
     OneSampleProcessed,
     FoundSampleForNextCodeEvent,
     NoSamplesInQueue
   };
   SampleProcessingResult ProcessOneSample();
@@ skipping 102 matching lines @@
   bool saved_is_logging_;
   bool is_profiling_;
 
   DISALLOW_COPY_AND_ASSIGN(CpuProfiler);
 };
 
 } }  // namespace v8::internal
 
 
 #endif  // V8_CPU_PROFILER_H_