[class] Stage class static blocks

Bug: v8:11375
Change-Id: I85503d4930a160026409761664e796c03de358d7
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2707546Reviewed-by: Marja Hölttä <marja@chromium.org>
Commit-Queue: Shu-yu Guo <syg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#72971}

src/flags/flag-definitions.h

@@ -256,8 +256,7 @@ DEFINE_IMPLICATION(harmony_weak_refs_with_cleanup_some, harmony_weak_refs)
   V(harmony_regexp_sequence, "RegExp Unicode sequence properties")             \
   V(harmony_weak_refs_with_cleanup_some,                                       \
     "harmony weak references with FinalizationRegistry.prototype.cleanupSome") \
-  V(harmony_import_assertions, "harmony import assertions")                    \
-  V(harmony_class_static_blocks, "harmony static initializer blocks")
+  V(harmony_import_assertions, "harmony import assertions")
 
 #ifdef V8_INTL_SUPPORT
 #define HARMONY_INPROGRESS(V) \
@@ -271,7 +270,8 @@ DEFINE_IMPLICATION(harmony_weak_refs_with_cleanup_some, harmony_weak_refs)
 #define HARMONY_STAGED_BASE(V)                                              \
   V(harmony_top_level_await, "harmony top level await")                     \
   V(harmony_relative_indexing_methods, "harmony relative indexing methods") \
-  V(harmony_private_brand_checks, "harmony private brand checks")
+  V(harmony_private_brand_checks, "harmony private brand checks")           \
+  V(harmony_class_static_blocks, "harmony static initializer blocks")
 
 #ifdef V8_INTL_SUPPORT
 #define HARMONY_STAGED(V)               \