Truncate rather than round to nearest when performing float-to-integer...

src/string-stream.cc

 // Copyright 2006-2008 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 267 matching lines @@
   }
   internal::PrintF(out, "%s", &buffer_[position]);
 }
 
 
 Handle<String> StringStream::ToString() {
   return Factory::NewStringFromUtf8(Vector<const char>(buffer_, length_));
 }
 
 
+Handle<String> StringStream::ToSymbol() {
+  return Factory::LookupAsciiSymbol(Vector<const char>(buffer_, length_));
+}
+
+
 void StringStream::ClearMentionedObjectCache() {
   current_security_token = NULL;
   if (debug_object_cache == NULL) {
     debug_object_cache = new List<HeapObject*, PreallocatedStorage>(0);
   }
   debug_object_cache->Clear();
 }
 
 
 #ifdef DEBUG
@@ skipping 277 matching lines @@
 
 // Only grow once to the maximum allowable size.
 char* NoAllocationStringAllocator::grow(unsigned* bytes) {
   ASSERT(size_ >= *bytes);
   *bytes = size_;
   return space_;
 }
 
 
 } }  // namespace v8::internal