[shared-struct] Actually use JSAtomicsMutex::BodyDescriptor

Bug: v8:13081
Change-Id: I34a736e8c3aaf0712da677925ff7ad64842ebc54
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3770018
Auto-Submit: Shu-yu Guo <syg@chromium.org>
Reviewed-by: Dominik Inführ <dinfuehr@chromium.org>
Commit-Queue: Dominik Inführ <dinfuehr@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81796}

src/heap/objects-visiting.h

@@ -31,6 +31,7 @@ namespace internal {
   V(FeedbackMetadata)                   \
   V(FixedDoubleArray)                   \
   V(JSArrayBuffer)                      \
+  V(JSAtomicsMutex)                     \
   V(JSDataView)                         \
   V(JSExternalObject)                   \
   V(JSFinalizationRegistry)             \

src/objects/map.cc

@@ -286,7 +286,6 @@ VisitorId Map::GetVisitorId(Map map) {
     case JS_SHADOW_REALM_TYPE:
     case JS_SHARED_ARRAY_TYPE:
     case JS_SHARED_STRUCT_TYPE:
-    case JS_ATOMICS_MUTEX_TYPE:
     case JS_STRING_ITERATOR_PROTOTYPE_TYPE:
     case JS_STRING_ITERATOR_TYPE:
     case JS_TEMPORAL_CALENDAR_TYPE:
@@ -338,6 +337,9 @@ VisitorId Map::GetVisitorId(Map map) {
     case JS_WEAK_REF_TYPE:
       return kVisitJSWeakRef;
 
+    case JS_ATOMICS_MUTEX_TYPE:
+      return kVisitJSAtomicsMutex;
+
     case WEAK_CELL_TYPE:
       return kVisitWeakCell;
 

src/objects/map.h

@@ -47,6 +47,7 @@ enum InstanceType : uint16_t;
   V(FreeSpace)                          \
   V(JSApiObject)                        \
   V(JSArrayBuffer)                      \
+  V(JSAtomicsMutex)                     \
   V(JSDataView)                         \
   V(JSExternalObject)                   \
   V(JSFinalizationRegistry)             \

src/objects/objects-body-descriptors-inl.h

@@ -21,7 +21,7 @@
 #include "src/objects/free-space-inl.h"
 #include "src/objects/hash-table.h"
 #include "src/objects/heap-number.h"
-#include "src/objects/js-atomics-synchronization.h"
+#include "src/objects/js-atomics-synchronization-inl.h"
 #include "src/objects/js-collection.h"
 #include "src/objects/js-weak-refs.h"
 #include "src/objects/literal-objects.h"