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

src/crankshaft/ia32/lithium-codegen-ia32.cc

Index: src/crankshaft/ia32/lithium-codegen-ia32.cc
diff --git a/src/crankshaft/ia32/lithium-codegen-ia32.cc b/src/crankshaft/ia32/lithium-codegen-ia32.cc
index 703e9cd73a054654dc2cd77d64d37e743574564a..a3bdca5bee1427909a0ba15e4b2da07840411948 100644
--- a/src/crankshaft/ia32/lithium-codegen-ia32.cc
+++ b/src/crankshaft/ia32/lithium-codegen-ia32.cc
@@ -4815,7 +4815,7 @@ void LCodeGen::DoDeferredAllocate(LAllocate* instr) {
   // TODO(3095996): Get rid of this. For now, we need to make the
   // result register contain a valid pointer because it is already
   // contained in the register pointer map.
-  __ Move(result, Immediate(Smi::kZero));
+  __ Move(result, Immediate(Smi::FromInt(0)));
 
   PushSafepointRegistersScope scope(this);
   if (instr->size()->IsRegister()) {
@@ -5119,7 +5119,7 @@ void LCodeGen::DoForInCacheArray(LForInCacheArray* instr) {
   Register result = ToRegister(instr->result());
   Label load_cache, done;
   __ EnumLength(result, map);
-  __ cmp(result, Immediate(Smi::kZero));
+  __ cmp(result, Immediate(Smi::FromInt(0)));
   __ j(not_equal, &load_cache, Label::kNear);
   __ mov(result, isolate()->factory()->empty_fixed_array());
   __ jmp(&done, Label::kNear);