Merged r17800, r17801 into 3.22 branch.

src/lithium.cc

Index: src/lithium.cc
diff --git a/src/lithium.cc b/src/lithium.cc
index 966afa9c0b881f16d5c69b5748250707d5dd1d84..b66a64f90d853a5f418d8ccd994ce4d5332f24fe 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