Implement basic code generation for arrow functions

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index af8cc28b1aae841271be961d63e92d7c7f59af01..df931f63ec5e08f6ebea0dde25c70fc14dac2b69 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -7276,6 +7276,9 @@ class SharedFunctionInfo: public HeapObject {
   // Indicates that this function is a generator.
   DECL_BOOLEAN_ACCESSORS(is_generator)
 
+  // Indicated that this function is an arrow function.

[rossberg, 2014/07/14 13:55:46]

s/Indiciated/Indicates/

+  DECL_BOOLEAN_ACCESSORS(is_arrow)
+
   // Indicates whether or not the code in the shared function support
   // deoptimization.
   inline bool has_deoptimization_support();
@@ -7471,6 +7474,7 @@ class SharedFunctionInfo: public HeapObject {
     kDontCache,
     kDontFlush,
     kIsGenerator,
+    kIsArrow,
     kCompilerHintsCount  // Pseudo entry
   };