[turbofan] Initial version of number type feedback.

src/v8.gyp

 # 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 607 matching lines @@
         'compiler/node-marker.cc',
         'compiler/node-marker.h',
         'compiler/node-matchers.cc',
         'compiler/node-matchers.h',
         'compiler/node-properties.cc',
         'compiler/node-properties.h',
         'compiler/node.cc',
         'compiler/node.h',
         'compiler/opcodes.cc',
         'compiler/opcodes.h',
+        'compiler/operation-typer.cc',
+        'compiler/operation-typer.h',
         'compiler/operator-properties.cc',
         'compiler/operator-properties.h',
         'compiler/operator.cc',
         'compiler/operator.h',
         'compiler/osr.cc',
         'compiler/osr.h',
         'compiler/pipeline.cc',
         'compiler/pipeline.h',
         'compiler/pipeline-statistics.cc',
         'compiler/pipeline-statistics.h',
@@ skipping 1608 matching lines @@
         }],
         ['want_separate_host_toolset==1', {
           'toolsets': ['host'],
         }, {
           'toolsets': ['target'],
         }],
       ],
     },
   ],
 }