Limit size of dehoistable array indices

src/lithium.cc

Index: src/lithium.cc
diff --git a/src/lithium.cc b/src/lithium.cc
index 432e81b80be6a4d00f8de6b819a86a85534cb53d..ee8ea3e711ed95de247ae0ef2afdf921a0a46fe8 100644
--- a/src/lithium.cc
+++ b/src/lithium.cc
@@ -233,36 +233,6 @@ void LPointerMap::PrintTo(StringStream* stream) {
 }
 
 
-int ElementsKindToShiftSize(ElementsKind elements_kind) {
-  switch (elements_kind) {
-    case EXTERNAL_BYTE_ELEMENTS:
-    case EXTERNAL_PIXEL_ELEMENTS:
-    case EXTERNAL_UNSIGNED_BYTE_ELEMENTS:
-      return 0;
-    case EXTERNAL_SHORT_ELEMENTS:
-    case EXTERNAL_UNSIGNED_SHORT_ELEMENTS:
-      return 1;
-    case EXTERNAL_INT_ELEMENTS:
-    case EXTERNAL_UNSIGNED_INT_ELEMENTS:
-    case EXTERNAL_FLOAT_ELEMENTS:
-      return 2;
-    case EXTERNAL_DOUBLE_ELEMENTS:
-    case FAST_DOUBLE_ELEMENTS:
-    case FAST_HOLEY_DOUBLE_ELEMENTS:
-      return 3;
-    case FAST_SMI_ELEMENTS:
-    case FAST_ELEMENTS:
-    case FAST_HOLEY_SMI_ELEMENTS:
-    case FAST_HOLEY_ELEMENTS:
-    case DICTIONARY_ELEMENTS:
-    case NON_STRICT_ARGUMENTS_ELEMENTS:
-      return kPointerSizeLog2;
-  }
-  UNREACHABLE();
-  return 0;
-}
-
-
 int StackSlotOffset(int index) {
   if (index >= 0) {
     // Local or spill slot. Skip the frame pointer, function, and