[class] Stage public class fields

Bug: v8:5367
Change-Id: Ieb7b04f47bbad575c22a3a16ec7bd7cb9e8ba0c9
Reviewed-on: https://chromium-review.googlesource.com/851425Reviewed-by: Adam Klein <adamk@chromium.org>
Commit-Queue: Sathya Gunasekaran <gsathya@chromium.org>
Cr-Commit-Position: refs/heads/master@{#50387}

src/flag-definitions.h

@@ -206,7 +206,6 @@ DEFINE_IMPLICATION(harmony_class_fields, harmony_static_fields)
   V(harmony_function_sent, "harmony function.sent")                   \
   V(harmony_do_expressions, "harmony do-expressions")                 \
   V(harmony_class_fields, "harmony fields in class literals")         \
-  V(harmony_public_fields, "harmony public fields in class literals") \
   V(harmony_static_fields, "harmony static fields in class literals") \
   V(harmony_bigint, "harmony arbitrary precision integers")
 
@@ -216,7 +215,8 @@ DEFINE_IMPLICATION(harmony_class_fields, harmony_static_fields)
   V(harmony_restrict_constructor_return,                                \
     "harmony disallow non undefined primitive return value from class " \
     "constructor")                                                      \
-  V(harmony_dynamic_import, "harmony dynamic import")
+  V(harmony_dynamic_import, "harmony dynamic import")                   \
+  V(harmony_public_fields, "harmony public fields in class literals")
 
 // Features that are shipping (turned on by default, but internal flag remains).
 #define HARMONY_SHIPPING_BASE(V)                                        \