emit premonomorphic ics for keyed loads/stores in optimized code

src/arm64/lithium-codegen-arm64.cc

Index: src/arm64/lithium-codegen-arm64.cc
diff --git a/src/arm64/lithium-codegen-arm64.cc b/src/arm64/lithium-codegen-arm64.cc
index 2f9169812a8e0c63059f41b0f46b61e47fbb4411..5926013c02ba186c3aebbeac5e44ed5a1a06e8d8 100644
--- a/src/arm64/lithium-codegen-arm64.cc
+++ b/src/arm64/lithium-codegen-arm64.cc
@@ -3697,7 +3697,9 @@ void LCodeGen::DoLoadKeyedGeneric(LLoadKeyedGeneric* instr) {
     EmitVectorLoadICRegisters<LLoadKeyedGeneric>(instr);
   }
 
-  Handle<Code> ic = CodeFactory::KeyedLoadICInOptimizedCode(isolate()).code();
+  Handle<Code> ic =
+      CodeFactory::KeyedLoadICInOptimizedCode(
+          isolate(), instr->hydrogen()->initialization_state()).code();
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 
   DCHECK(ToRegister(instr->result()).Is(x0));
@@ -5386,8 +5388,9 @@ void LCodeGen::DoStoreKeyedGeneric(LStoreKeyedGeneric* instr) {
   DCHECK(ToRegister(instr->key()).is(StoreDescriptor::NameRegister()));
   DCHECK(ToRegister(instr->value()).is(StoreDescriptor::ValueRegister()));
 
-  Handle<Code> ic =
-      CodeFactory::KeyedStoreIC(isolate(), instr->language_mode()).code();
+  Handle<Code> ic = CodeFactory::KeyedStoreICInOptimizedCode(
+                        isolate(), instr->language_mode(),
+                        instr->hydrogen()->initialization_state()).code();
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 }