Revert "Revert "Reland 21774: Generate KeyedLoadGeneric with Hydrogen""

src/field-index-inl.h

Index: src/field-index-inl.h
diff --git a/src/field-index-inl.h b/src/field-index-inl.h
index dd13709c78708b69e03e381175846f5e83164e25..d3bf94aec8e726d5d79ec05ed21a449c1d46944d 100644
--- a/src/field-index-inl.h
+++ b/src/field-index-inl.h
@@ -75,6 +75,24 @@ inline FieldIndex FieldIndex::ForDescriptor(Map* map, int descriptor_index) {
 }
 
 
+inline FieldIndex FieldIndex::ForKeyedLookupCacheIndex(Map* map, int index) {
+  if (FLAG_compiled_keyed_generic_loads) {
+    return ForLoadByFieldIndex(map, index);
+  } else {
+    return ForPropertyIndex(map, index);
+  }
+}
+
+
+inline int FieldIndex::GetKeyedLookupCacheIndex() const {
+  if (FLAG_compiled_keyed_generic_loads) {
+    return GetLoadByFieldIndex();
+  } else {
+    return property_index();
+  }
+}
+
+
 } }  // namespace v8::internal
 
 #endif