Improve HConstant::ImmortalImmovable() to check for all immortal immovable roots.

src/objects.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 471 matching lines @@
   V(EXTERNAL_STRING_TYPE,                                                      \
     ExternalTwoByteString::kSize,                                              \
     external_string,                                                           \
     ExternalString)                                                            \
   V(EXTERNAL_ASCII_STRING_TYPE,                                                \
     ExternalAsciiString::kSize,                                                \
     external_ascii_string,                                                     \
     ExternalAsciiString)                                                       \
   V(EXTERNAL_STRING_WITH_ONE_BYTE_DATA_TYPE,                                   \
     ExternalTwoByteString::kSize,                                              \
-    external_string_with_one_bytei_data,                                       \
+    external_string_with_one_byte_data,                                        \
     ExternalStringWithOneByteData)                                             \
   V(SHORT_EXTERNAL_STRING_TYPE,                                                \
     ExternalTwoByteString::kShortSize,                                         \
     short_external_string,                                                     \
     ShortExternalString)                                                       \
   V(SHORT_EXTERNAL_ASCII_STRING_TYPE,                                          \
     ExternalAsciiString::kShortSize,                                           \
     short_external_ascii_string,                                               \
     ShortExternalAsciiString)                                                  \
   V(SHORT_EXTERNAL_STRING_WITH_ONE_BYTE_DATA_TYPE,                             \
@@ skipping 10264 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_