Add Smi::Zero and replace all Smi::FromInt(0) calls

src/crankshaft/hydrogen.cc

Index: src/crankshaft/hydrogen.cc
diff --git a/src/crankshaft/hydrogen.cc b/src/crankshaft/hydrogen.cc
index e7d91f786af2ddd532f3c3e6f3dbb14acbcba2f3..19e83ef36ebf8b82e9a11fc2c21e39b3dce8e0d8 100644
--- a/src/crankshaft/hydrogen.cc
+++ b/src/crankshaft/hydrogen.cc
@@ -10229,9 +10229,9 @@ void HOptimizedGraphBuilder::GenerateTypedArrayInitialize(
   HValue* byte_offset;
   bool is_zero_byte_offset;
 
-  if (arguments->at(kByteOffsetArg)->IsLiteral()
-      && Smi::FromInt(0) ==
-      *static_cast<Literal*>(arguments->at(kByteOffsetArg))->value()) {
+  if (arguments->at(kByteOffsetArg)->IsLiteral() &&
+      Smi::kZero ==
+          *static_cast<Literal*>(arguments->at(kByteOffsetArg))->value()) {
     byte_offset = Add<HConstant>(static_cast<int32_t>(0));
     is_zero_byte_offset = true;
   } else {