Merge bleeding_edge 17696:18016.

src/elements-kind.h

Index: src/elements-kind.h
diff --git a/src/elements-kind.h b/src/elements-kind.h
index da151924be20dd389a7e2995db505e9c00166fff..51a690272f7f122848c3c30538bf9dadbceab7b5 100644
--- a/src/elements-kind.h
+++ b/src/elements-kind.h
@@ -77,6 +77,11 @@ const int kElementsKindCount = LAST_ELEMENTS_KIND - FIRST_ELEMENTS_KIND + 1;
 const int kFastElementsKindCount = LAST_FAST_ELEMENTS_KIND -
     FIRST_FAST_ELEMENTS_KIND + 1;
 
+// The number to add to a packed elements kind to reach a holey elements kind
+const int kFastElementsKindPackedToHoley =
+    FAST_HOLEY_SMI_ELEMENTS - FAST_SMI_ELEMENTS;
+
+int ElementsKindToShiftSize(ElementsKind elements_kind);
 const char* ElementsKindToString(ElementsKind kind);
 void PrintElementsKind(FILE* out, ElementsKind kind);