Convert all symbols accessor to return read only handles so that it is not necessary to create a ne…

vm/intermediate_language_x64.cc

Index: vm/intermediate_language_x64.cc
===================================================================
--- vm/intermediate_language_x64.cc	(revision 16459)
+++ vm/intermediate_language_x64.cc	(working copy)
@@ -378,7 +378,7 @@
     }
   } else {
     equality_ic_data = ICData::New(compiler->parsed_function().function(),
-                                   Symbols::EqualOperatorHandle(),
+                                   Symbols::EqualOperator(),
                                    deopt_id,
                                    kNumArgumentsChecked);
   }
@@ -1011,7 +1011,7 @@
   __ movq(result, Address(result,
                           char_code,
                           TIMES_HALF_WORD_SIZE,  // Char code is a smi.
-                          Symbols::kNullCharId * kWordSize));
+                          0));

[srdjan, 2012/12/26 17:45:29]

ditto

[siva, 2013/01/02 19:30:55]

Added a constant symbol Symbols::kNullCharCodeSymbolOffset and use that here
instead.

Also documented the constant kNullCharCodeSymbolOffset in symbols.h

On 2012/12/26 17:45:29, srdjan wrote:

 }