[turbofan] Optimize loads from the global object in JSTypeFeedbackSpecializer.

src/compiler/access-builder.cc

Index: src/compiler/access-builder.cc
diff --git a/src/compiler/access-builder.cc b/src/compiler/access-builder.cc
index 9e5a0bbb8d84268d3117cf12ba10be0f57a82cca..1462c48f22348779ef4028eff20e0ad53df59aef 100644
--- a/src/compiler/access-builder.cc
+++ b/src/compiler/access-builder.cc
@@ -88,6 +88,13 @@ FieldAccess AccessBuilder::ForStatsCounter() {
 
 
 // static
+FieldAccess AccessBuilder::ForPropertyCellValue() {
+  return {kTaggedBase, PropertyCell::kValueOffset, Handle<Name>(), Type::Any(),
+          kMachAnyTagged};
+}
+
+
+// static
 ElementAccess AccessBuilder::ForFixedArrayElement() {
   return {kTaggedBase, FixedArray::kHeaderSize, Type::Any(), kMachAnyTagged};
 }