[ESNext] ⛴ object rest/spread properties

Bug: v8:5549
Change-Id: I32b9853b6542c6ad04d12a9d54f31be9e3c76da8
Reviewed-on: https://chromium-review.googlesource.com/486245Reviewed-by: Adam Klein <adamk@chromium.org>
Commit-Queue: Sathya Gunasekaran <gsathya@chromium.org>
Cr-Commit-Position: refs/heads/master@{#44822}

src/flag-definitions.h

@@ -216,16 +216,16 @@ DEFINE_IMPLICATION(es_staging, harmony)
   V(harmony_regexp_lookbehind, "harmony regexp lookbehind")              \
   V(harmony_regexp_named_captures, "harmony regexp named captures")      \
   V(harmony_regexp_property, "harmony unicode regexp property classes")  \
-  V(harmony_object_rest_spread, "harmony object rest spread properties") \
   V(harmony_template_escapes,                                            \
     "harmony invalid escapes in tagged template literals")
 
 // Features that are shipping (turned on by default, but internal flag remains).
-#define HARMONY_SHIPPING_BASE(V)                      \
-  V(harmony_restrictive_generators,                   \
-    "harmony restrictions on generator declarations") \
-  V(harmony_trailing_commas,                          \
-    "harmony trailing commas in function parameter lists")
+#define HARMONY_SHIPPING_BASE(V)                           \
+  V(harmony_restrictive_generators,                        \
+    "harmony restrictions on generator declarations")      \
+  V(harmony_trailing_commas,                               \
+    "harmony trailing commas in function parameter lists") \
+  V(harmony_object_rest_spread, "harmony object rest spread properties")
 
 #ifdef V8_INTL_SUPPORT
 #define HARMONY_SHIPPING(V)                                        \