dump compiler stats from d8 on direct exit from js

src/isolate.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_ISOLATE_H_
 #define V8_ISOLATE_H_
 
 #include "include/v8-debug.h"
 #include "src/allocation.h"
 #include "src/assert-scope.h"
@@ skipping 1046 matching lines @@
     return optimizing_compiler_thread_;
   }
 
   int id() const { return static_cast<int>(id_); }
 
   HStatistics* GetHStatistics();
   CompilationStatistics* GetTurboStatistics();
   HTracer* GetHTracer();
   CodeTracer* GetCodeTracer();
 
+  void DumpAndResetCompilationStats();
+
   FunctionEntryHook function_entry_hook() { return function_entry_hook_; }
   void set_function_entry_hook(FunctionEntryHook function_entry_hook) {
     function_entry_hook_ = function_entry_hook;
   }
 
   void* stress_deopt_count_address() { return &stress_deopt_count_; }
 
   inline base::RandomNumberGenerator* random_number_generator();
 
   // Given an address occupied by a live code object, return that object.
@@ skipping 468 matching lines @@
   }
 
   EmbeddedVector<char, 128> filename_;
   FILE* file_;
   int scope_depth_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_ISOLATE_H_