Valgrind cleanliness, part 4: Delete CounterMap on exit.

src/d8.cc

 // 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 968 matching lines @@
       if (counter->is_histogram()) {
         printf("| c:%-40s | %11i |\n", key, counter->count());
         printf("| t:%-40s | %11i |\n", key, counter->sample_total());
       } else {
         printf("| %-42s | %11i |\n", key, counter->count());
       }
     }
     printf("+--------------------------------------------+-------------+\n");
     delete [] counters;
   }
-  if (counters_file_ != NULL)
-    delete counters_file_;
+  delete counters_file_;
+  delete counter_map_;
 }
 #endif  // V8_SHARED
 
 
 static FILE* FOpen(const char* path, const char* mode) {
 #if defined(_MSC_VER) && (defined(_WIN32) || defined(_WIN64))
   FILE* result;
   if (fopen_s(&result, path, mode) == 0) {
     return result;
   } else {
@@ skipping 547 matching lines @@
 }
 
 }  // namespace v8
 
 
 #ifndef GOOGLE3
 int main(int argc, char* argv[]) {
   return v8::Shell::Main(argc, argv);
 }
 #endif