[change-array-by-copy] Stage change-Array-by-copy

Bug: v8:12764
Change-Id: Ib201cad04b339e8193a64bdadf62e5fa9daf1881
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3911377
Commit-Queue: Shu-yu Guo <syg@chromium.org>
Reviewed-by: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/main@{#83388}

src/flags/flag-definitions.h

@@ -228,7 +228,6 @@ DEFINE_BOOL(harmony_shipping, true, "enable all shipped harmony features")
   V(harmony_temporal, "Temporal")                                              \
   V(harmony_shadow_realm, "harmony ShadowRealm")                               \
   V(harmony_struct, "harmony structs, shared structs, and shared arrays")      \
-  V(harmony_change_array_by_copy, "harmony change-Array-by-copy")              \
   V(harmony_regexp_unicode_sets, "harmony RegExp Unicode Sets")                \
   V(harmony_symbol_as_weakmap_key, "harmony symbols as weakmap keys")
 
@@ -244,7 +243,8 @@ DEFINE_BOOL(harmony_shipping, true, "enable all shipped harmony features")
 #define HARMONY_STAGED_BASE(V)                                  \
   V(harmony_array_grouping, "harmony array grouping")           \
   V(harmony_rab_gsab,                                           \
-    "harmony ResizableArrayBuffer / GrowableSharedArrayBuffer")
+    "harmony ResizableArrayBuffer / GrowableSharedArrayBuffer") \
+  V(harmony_change_array_by_copy, "harmony change-Array-by-copy")
 
 #ifdef V8_INTL_SUPPORT
 #define HARMONY_STAGED(V) HARMONY_STAGED_BASE(V)