Implement handling of arrow functions in the parser

src/compiler.cc

Index: src/compiler.cc
diff --git a/src/compiler.cc b/src/compiler.cc
index 6e5a3ad9affac05b7aa63a4699b00f3ee4c343f2..f459b85c38260d0874483a0d78f785d76df79044 100644
--- a/src/compiler.cc
+++ b/src/compiler.cc
@@ -605,6 +605,7 @@ static void SetFunctionInfo(Handle<SharedFunctionInfo> function_info,
   function_info->set_dont_inline(lit->flags()->Contains(kDontInline));
   function_info->set_dont_cache(lit->flags()->Contains(kDontCache));
   function_info->set_is_generator(lit->is_generator());
+  function_info->set_is_arrow(lit->is_arrow());
 }
 
 
@@ -820,6 +821,7 @@ static Handle<SharedFunctionInfo> CompileToplevel(CompilationInfo* info) {
         lit->name(),
         lit->materialized_literal_count(),
         lit->is_generator(),
+        lit->is_arrow(),
         info->code(),
         ScopeInfo::Create(info->scope(), info->zone()),
         info->feedback_vector());
@@ -1019,6 +1021,7 @@ Handle<SharedFunctionInfo> Compiler::BuildFunctionInfo(FunctionLiteral* literal,
       factory->NewSharedFunctionInfo(literal->name(),
                                      literal->materialized_literal_count(),
                                      literal->is_generator(),
+                                     literal->is_arrow(),
                                      info.code(),
                                      scope_info,
                                      info.feedback_vector());