Make v8 handle OOM during Heap construction more gracefully.

src/isolate.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 1985 matching lines @@
     // will ensure this too, but we don't have to use lockers if we are only
     // using one thread.
     ExecutionAccess lock(this);
     stack_guard_.InitThread(lock);
   }
 
   // SetUp the object heap.
   const bool create_heap_objects = (des == NULL);
   ASSERT(!heap_.HasBeenSetUp());
   if (!heap_.SetUp(create_heap_objects)) {
-    V8::SetFatalError();
+    V8::FatalProcessOutOfMemory("heap setup");
     return false;
   }
 
   if (create_heap_objects) {
     // Terminate the cache array with the sentinel so we can iterate.
     PushToPartialSnapshotCache(heap_.undefined_value());
   }
 
   InitializeThreadLocal();
 
@@ skipping 194 matching lines @@
 
 #ifdef DEBUG
 #define ISOLATE_FIELD_OFFSET(type, name, ignored)                       \
 const intptr_t Isolate::name##_debug_offset_ = OFFSET_OF(Isolate, name##_);
 ISOLATE_INIT_LIST(ISOLATE_FIELD_OFFSET)
 ISOLATE_INIT_ARRAY_LIST(ISOLATE_FIELD_OFFSET)
 #undef ISOLATE_FIELD_OFFSET
 #endif
 
 } }  // namespace v8::internal