One more attempt at trying to turn off usage of vm isolate for symbols.

vm/symbols.cc

Index: vm/symbols.cc
===================================================================
--- vm/symbols.cc	(revision 9954)
+++ vm/symbols.cc	(working copy)
@@ -15,6 +15,7 @@
 
 RawString* Symbols::predefined_[Symbols::kMaxPredefined];
 
+#if 0
 static const char* names[] = {
   NULL,
 
@@ -23,6 +24,7 @@
 PREDEFINED_SYMBOLS_LIST(DEFINE_SYMBOL_LITERAL)
 #undef DEFINE_SYMBOL_LITERAL
 };
+#endif
 
 
 void Symbols::InitOnce(Isolate* isolate) {
@@ -32,6 +34,7 @@
   // Create and setup a symbol table in the vm isolate.
   SetupSymbolTable(isolate);
 
+#if 0
   // Create all predefined symbols.
   ASSERT((sizeof(names) / sizeof(const char*)) == kMaxPredefined);
   const Array& symbol_table =
@@ -43,6 +46,7 @@
     Add(symbol_table, str);
     predefined_[i] = str.raw();
   }
+#endif
 }