Remove dead code from LookupResult

src/hydrogen.cc

Index: src/hydrogen.cc
diff --git a/src/hydrogen.cc b/src/hydrogen.cc
index b43dc51d1beef4eb21d7ff789d1c22ebc8b40271..79bd49598e45e75ca5636976618be94d06505ead 100644
--- a/src/hydrogen.cc
+++ b/src/hydrogen.cc
@@ -5790,8 +5790,8 @@ HInstruction* HOptimizedGraphBuilder::BuildLoadNamedField(
     PropertyAccessInfo* info,
     HValue* checked_object) {
   // See if this is a load for an immutable property
-  if (checked_object->ActualValue()->IsConstant() && info->IsCacheable() &&
-      info->IsReadOnly() && !info->IsConfigurable()) {
+  if (checked_object->ActualValue()->IsConstant() && info->IsReadOnly() &&
+      !info->IsConfigurable()) {
     Handle<Object> object(
         HConstant::cast(checked_object->ActualValue())->handle(isolate()));
 
@@ -5970,7 +5970,7 @@ bool HOptimizedGraphBuilder::PropertyAccessInfo::LookupDescriptor() {
 
 
 bool HOptimizedGraphBuilder::PropertyAccessInfo::LoadResult(Handle<Map> map) {
-  if (!IsLoad() && IsProperty() && (IsReadOnly() || !IsCacheable())) {
+  if (!IsLoad() && IsProperty() && IsReadOnly()) {
     return false;
   }
 
@@ -6076,7 +6076,7 @@ bool HOptimizedGraphBuilder::PropertyAccessInfo::CanAccessMonomorphic() {
   if (!LookupDescriptor()) return false;
   if (IsFound()) {
     if (IsLoad()) return true;
-    return !IsReadOnly() && IsCacheable();
+    return !IsReadOnly();

[Yang, 2014/08/26 15:30:17]

you could rewrite that as
IsLoad() || !IsReadOnly()

   }
   if (!LookupInPrototypes()) return false;
   if (IsLoad()) return true;