[compiler] Move instance_descriptors synchronized setter to private

In a previous CL (crrev.com/c/v8/v8/+/2424130/17/src/objects/map.h) I
moved it to public to use the parent macro. Move it back to private
since it does not need to be public.

Bug: v8:7790
Change-Id: I5fd78a8fcef2bd454585b6dc428c1b1d2bb62422
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2454715
Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org>
Reviewed-by: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#70377}

src/objects/map.h

@@ -595,7 +595,7 @@ class Map : public HeapObject {
 
   // [instance descriptors]: describes the object.
   DECL_RELAXED_ACCESSORS(instance_descriptors, DescriptorArray)
-  DECL_RELEASE_ACQUIRE_ACCESSORS(instance_descriptors, DescriptorArray)
+  DECL_ACQUIRE_GETTER(instance_descriptors, DescriptorArray)
   V8_EXPORT_PRIVATE void SetInstanceDescriptors(Isolate* isolate,
                                                 DescriptorArray descriptors,
                                                 int number_of_own_descriptors);
@@ -975,6 +975,9 @@ class Map : public HeapObject {
       MaybeHandle<Object> old_value, MaybeHandle<FieldType> new_field_type,
       MaybeHandle<Object> new_value);
 
+  // Use the high-level instance_descriptors/SetInstanceDescriptors instead.
+  DECL_RELEASE_SETTER(instance_descriptors, DescriptorArray)
+
   static const int kFastPropertiesSoftLimit = 12;
   static const int kMaxFastProperties = 128;
 

src/objects/object-macros.h

@@ -104,14 +104,26 @@
   inline void set_##name(type value, tag_type,         \
                          WriteBarrierMode mode = UPDATE_WRITE_BARRIER);
 
-#define DECL_RELAXED_ACCESSORS(name, type)            \
-  DECL_ACCESSORS_LOAD_TAG(name, type, RelaxedLoadTag) \
+#define DECL_RELAXED_GETTER(name, type) \
+  DECL_ACCESSORS_LOAD_TAG(name, type, RelaxedLoadTag)
+
+#define DECL_RELAXED_SETTER(name, type) \
   DECL_ACCESSORS_STORE_TAG(name, type, RelaxedStoreTag)
 
-#define DECL_RELEASE_ACQUIRE_ACCESSORS(name, type)    \
-  DECL_ACCESSORS_LOAD_TAG(name, type, AcquireLoadTag) \
+#define DECL_RELAXED_ACCESSORS(name, type) \
+  DECL_RELAXED_GETTER(name, type)          \
+  DECL_RELAXED_SETTER(name, type)
+
+#define DECL_ACQUIRE_GETTER(name, type) \
+  DECL_ACCESSORS_LOAD_TAG(name, type, AcquireLoadTag)
+
+#define DECL_RELEASE_SETTER(name, type) \
   DECL_ACCESSORS_STORE_TAG(name, type, ReleaseStoreTag)
 
+#define DECL_RELEASE_ACQUIRE_ACCESSORS(name, type) \
+  DECL_ACQUIRE_GETTER(name, type)                  \
+  DECL_RELEASE_SETTER(name, type)
+
 #define DECL_CAST(Type)                                 \
   V8_INLINE static Type cast(Object object);            \
   V8_INLINE static Type unchecked_cast(Object object) { \