Introduce ENABLE_LATIN_1 compile flag

src/heap-inl.h

 // 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 94 matching lines @@
   return chars == str.length();
 }
 
 
 template<>
 bool inline Heap::IsOneByte(String* str, int chars) {
   return str->IsOneByteRepresentation();
 }
 
 
-MaybeObject* Heap::AllocateSymbol(Vector<const char> str,
-                                  int chars,
-                                  uint32_t hash_field) {
-  if (IsOneByte(str, chars)) return AllocateAsciiSymbol(str, hash_field);
+MaybeObject* Heap::AllocateSymbolFromUtf8(Vector<const char> str,
+                                          int chars,
+                                          uint32_t hash_field) {
+  if (IsOneByte(str, chars)) {
+    return AllocateOneByteSymbol(Vector<const uint8_t>::cast(str), hash_field);
+  }
   return AllocateInternalSymbol<false>(str, chars, hash_field);
 }
 
 
 template<typename T>
 MaybeObject* Heap::AllocateInternalSymbol(T t, int chars, uint32_t hash_field) {
   if (IsOneByte(t, chars)) {
     return AllocateInternalSymbol<true>(t, chars, hash_field);
   }
   return AllocateInternalSymbol<false>(t, chars, hash_field);
 }
 
 
-MaybeObject* Heap::AllocateAsciiSymbol(Vector<const char> str,
+MaybeObject* Heap::AllocateOneByteSymbol(Vector<const uint8_t> str,
                                        uint32_t hash_field) {
   if (str.length() > SeqOneByteString::kMaxLength) {
     return Failure::OutOfMemoryException();
   }
   // Compute map and object size.
   Map* map = ascii_symbol_map();
   int size = SeqOneByteString::SizeFor(str.length());
 
   // Allocate string.
   Object* result;
@@ skipping 683 matching lines @@
 AssertNoAllocation::~AssertNoAllocation() { }
 DisableAssertNoAllocation::DisableAssertNoAllocation() { }
 DisableAssertNoAllocation::~DisableAssertNoAllocation() { }
 
 #endif
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HEAP_INL_H_