Fix hash field access for 64-bit big-endian architectures.

src/code-stub-assembler.cc

Index: src/code-stub-assembler.cc
diff --git a/src/code-stub-assembler.cc b/src/code-stub-assembler.cc
index a656a963c64c4096559ff1d867481f99dff0a6aa..633bc1259fb9781cde7719108775ce8763c33a71 100644
--- a/src/code-stub-assembler.cc
+++ b/src/code-stub-assembler.cc
@@ -609,7 +609,7 @@ Node* CodeStubAssembler::AllocateSeqOneByteString(int length) {
   StoreMapNoWriteBarrier(result, LoadRoot(Heap::kOneByteStringMapRootIndex));
   StoreObjectFieldNoWriteBarrier(result, SeqOneByteString::kLengthOffset,
                                  SmiConstant(Smi::FromInt(length)));
-  StoreObjectFieldNoWriteBarrier(result, SeqOneByteString::kHashFieldOffset,
+  StoreObjectFieldNoWriteBarrier(result, SeqOneByteString::kHashFieldSlot,
                                  IntPtrConstant(String::kEmptyHashField));
   return result;
 }
@@ -619,7 +619,7 @@ Node* CodeStubAssembler::AllocateSeqTwoByteString(int length) {
   StoreMapNoWriteBarrier(result, LoadRoot(Heap::kStringMapRootIndex));
   StoreObjectFieldNoWriteBarrier(result, SeqTwoByteString::kLengthOffset,
                                  SmiConstant(Smi::FromInt(length)));
-  StoreObjectFieldNoWriteBarrier(result, SeqTwoByteString::kHashFieldOffset,
+  StoreObjectFieldNoWriteBarrier(result, SeqTwoByteString::kHashFieldSlot,
                                  IntPtrConstant(String::kEmptyHashField));
   return result;
 }