| Index: src/flag-definitions.h | 
| diff --git a/src/flag-definitions.h b/src/flag-definitions.h | 
| index b4cac59b952979e9697ad9aa9671d794a9cb8560..363a532e6002a130bad279c35d530ead0d5edf3f 100644 | 
| --- a/src/flag-definitions.h | 
| +++ b/src/flag-definitions.h | 
| @@ -188,6 +188,7 @@ DEFINE_bool(harmony_numeric_literals, false, | 
| DEFINE_bool(harmony_strings, false, "enable harmony string") | 
| DEFINE_bool(harmony_arrays, false, "enable harmony arrays") | 
| DEFINE_bool(harmony_maths, false, "enable harmony math functions") | 
| +DEFINE_bool(harmony_arrow_functions, false, "enable harmony arrow functions") | 
| DEFINE_bool(harmony, false, "enable all harmony features (except typeof)") | 
|  | 
| DEFINE_implication(harmony, harmony_scoping) | 
| @@ -200,6 +201,7 @@ DEFINE_implication(harmony, harmony_iteration) | 
| DEFINE_implication(harmony, harmony_numeric_literals) | 
| DEFINE_implication(harmony, harmony_strings) | 
| DEFINE_implication(harmony, harmony_arrays) | 
| +DEFINE_implication(harmony, harmony_arrow_functions) | 
| DEFINE_implication(harmony_collections, harmony_weak_collections) | 
| DEFINE_implication(harmony_promises, harmony_weak_collections) | 
| DEFINE_implication(harmony_modules, harmony_scoping) | 
|  |