[heap] Fix building with v8_enable_verify_heap = false.

Change-Id: I69f7ca5e10575ae936d084b75f2b06a2aa1a7e0f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1886913Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Pierre Langlois <pierre.langlois@arm.com>
Cr-Commit-Position: refs/heads/master@{#64610}

src/objects/map-inl.h

@@ -626,7 +626,7 @@ void Map::UpdateDescriptors(Isolate* isolate, DescriptorArray descriptors,
       CHECK_EQ(Map::GetVisitorId(*this), visitor_id());
     }
 #else
-    SLOW_DCHECK(layout_descriptor()->IsConsistentWithMap(*this));
+    SLOW_DCHECK(layout_descriptor().IsConsistentWithMap(*this));
     DCHECK(visitor_id() == Map::GetVisitorId(*this));
 #endif
   }
@@ -645,7 +645,7 @@ void Map::InitializeDescriptors(Isolate* isolate, DescriptorArray descriptors,
       CHECK(layout_descriptor().IsConsistentWithMap(*this));
     }
 #else
-    SLOW_DCHECK(layout_descriptor()->IsConsistentWithMap(*this));
+    SLOW_DCHECK(layout_descriptor().IsConsistentWithMap(*this));
 #endif
     set_visitor_id(Map::GetVisitorId(*this));
   }

src/objects/map.cc

@@ -1822,7 +1822,7 @@ void Map::InstallDescriptors(Isolate* isolate, Handle<Map> parent,
       CHECK(child->layout_descriptor().IsConsistentWithMap(*child));
     }
 #else
-    SLOW_DCHECK(child->layout_descriptor()->IsConsistentWithMap(*child));
+    SLOW_DCHECK(child->layout_descriptor().IsConsistentWithMap(*child));
 #endif
     child->set_visitor_id(Map::GetVisitorId(*child));
   }