More efficient use of space in AllocationSite.

src/hydrogen-instructions.cc

Index: src/hydrogen-instructions.cc
diff --git a/src/hydrogen-instructions.cc b/src/hydrogen-instructions.cc
index 49916687696b4d6b05cf4caf524bc74ce7e3db25..3c622d185ea1004de66969a46e6ad8aa072c6c67 100644
--- a/src/hydrogen-instructions.cc
+++ b/src/hydrogen-instructions.cc
@@ -4284,11 +4284,7 @@ HObjectAccess HObjectAccess::ForAllocationSiteOffset(int offset) {
       return HObjectAccess(kInobject, offset, Representation::Tagged());
     case AllocationSite::kNestedSiteOffset:
       return HObjectAccess(kInobject, offset, Representation::Tagged());
-    case AllocationSite::kMementoFoundCountOffset:
-      return HObjectAccess(kInobject, offset, Representation::Smi());
-    case AllocationSite::kMementoCreateCountOffset:
-      return HObjectAccess(kInobject, offset, Representation::Smi());
-    case AllocationSite::kPretenureDecisionOffset:
+    case AllocationSite::kPretenureDataOffset:
       return HObjectAccess(kInobject, offset, Representation::Smi());
     case AllocationSite::kDependentCodeOffset:
       return HObjectAccess(kInobject, offset, Representation::Tagged());