Make HashMap a template class to specify the allocation policy.

src/ast.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 219 matching lines @@
   if (h2->IsSmi()) return false;
   Handle<HeapNumber> n1 = Handle<HeapNumber>::cast(h1);
   Handle<HeapNumber> n2 = Handle<HeapNumber>::cast(h2);
   ASSERT(isfinite(n1->value()));
   ASSERT(isfinite(n2->value()));
   return n1->value() == n2->value();
 }
 
 
 void ObjectLiteral::CalculateEmitStore() {
-  HashMap properties(&IsEqualString);
-  HashMap elements(&IsEqualNumber);
+  ZoneHashMap properties(&IsEqualString);
+  ZoneHashMap elements(&IsEqualNumber);
   for (int i = this->properties()->length() - 1; i >= 0; i--) {
     ObjectLiteral::Property* property = this->properties()->at(i);
     Literal* literal = property->key();
     Handle<Object> handle = literal->handle();
 
     if (handle->IsNull()) {
       continue;
     }
 
     uint32_t hash;
-    HashMap* table;
+    ZoneHashMap* table;
     void* key;
     Factory* factory = Isolate::Current()->factory();
     if (handle->IsSymbol()) {
       Handle<String> name(String::cast(*handle));
       if (name->AsArrayIndex(&hash)) {
         Handle<Object> key_handle = factory->NewNumberFromUint(hash);
         key = key_handle.location();
         table = &elements;
       } else {
         key = name.location();
@@ skipping 868 matching lines @@
       (node->name()->IsEqualTo(CStrVector("_ArgumentsLength")) ||
        node->name()->IsEqualTo(CStrVector("_Arguments")))) {
     // Don't inline the %_ArgumentsLength or %_Arguments because their
     // implementation will not work.  There is no stack frame to get them
     // from.
     add_flag(kDontInline);
   }
 }
 
 } }  // namespace v8::internal