Skip canonicalization of packed arrays in HStoreKeyedFastDoubleElement

src/hydrogen-instructions.cc

Index: src/hydrogen-instructions.cc
diff --git a/src/hydrogen-instructions.cc b/src/hydrogen-instructions.cc
index 57a186280b1713b9d9c65d91d4dc6b7bed2bea0a..21d168e030e16bf0b19c092dd9e4960d1ee684f6 100644
--- a/src/hydrogen-instructions.cc
+++ b/src/hydrogen-instructions.cc
@@ -2189,6 +2189,7 @@ bool HStoreKeyedFastDoubleElement::NeedsCanonicalization() {
   // If value was loaded from unboxed double backing store or
   // converted from an integer then we don't have to canonicalize it.
   if (value()->IsLoadKeyedFastDoubleElement() ||
+      SkipCanonicalization::decode(bit_field_) ||
       (value()->IsChange() && HChange::cast(value())->from().IsInteger32())) {
     return false;
   }