Experimental parser: small fixes

src/heap.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 4793 matching lines @@
       *data++ = *ascii_data++;
     }
   }
   // Now write the remainder.
   decoder->WriteUtf16(data, utf16_length);
   return result;
 }
 
 
 MaybeObject* Heap::AllocateStringFromTwoByte(Vector<const uc16> string,
+                                             bool check_for_one_byte,
                                              PretenureFlag pretenure) {
   // Check if the string is an ASCII string.
   Object* result;
   int length = string.length();
   const uc16* start = string.start();
 
-  if (String::IsOneByte(start, length)) {
+  if (check_for_one_byte && String::IsOneByte(start, length)) {
     MaybeObject* maybe_result = AllocateRawOneByteString(length, pretenure);
     if (!maybe_result->ToObject(&result)) return maybe_result;
     CopyChars(SeqOneByteString::cast(result)->GetChars(), start, length);
   } else {  // It's not a one byte string.
     MaybeObject* maybe_result = AllocateRawTwoByteString(length, pretenure);
     if (!maybe_result->ToObject(&result)) return maybe_result;
     CopyChars(SeqTwoByteString::cast(result)->GetChars(), start, length);
   }
   return result;
 }
@@ skipping 2883 matching lines @@
       static_cast<int>(object_sizes_last_time_[index]));
   CODE_AGE_LIST_COMPLETE(ADJUST_LAST_TIME_OBJECT_COUNT)
 #undef ADJUST_LAST_TIME_OBJECT_COUNT
 
   OS::MemCopy(object_counts_last_time_, object_counts_, sizeof(object_counts_));
   OS::MemCopy(object_sizes_last_time_, object_sizes_, sizeof(object_sizes_));
   ClearObjectStats();
 }
 
 } }  // namespace v8::internal