AllocationSite::memento_found_count() and friends need Smi access.

src/hydrogen-instructions.h

Index: src/hydrogen-instructions.h
diff --git a/src/hydrogen-instructions.h b/src/hydrogen-instructions.h
index d4beb6e1de2180b9fb903116a2d66b4dc7f21428..37137a97c79a4d3e8f0202f5f7439e6402c23b54 100644
--- a/src/hydrogen-instructions.h
+++ b/src/hydrogen-instructions.h
@@ -5952,10 +5952,7 @@ class HObjectAccess V8_FINAL {
                 ? Representation::Smi() : Representation::Tagged());
   }
 
-  static HObjectAccess ForAllocationSiteOffset(int offset) {
-    ASSERT(offset >= HeapObject::kHeaderSize && offset < AllocationSite::kSize);
-    return HObjectAccess(kInobject, offset);
-  }
+  static HObjectAccess ForAllocationSiteOffset(int offset);
 
   static HObjectAccess ForAllocationSiteList() {
     return HObjectAccess(kExternalMemory, 0, Representation::Tagged());