Use slot lookup for __new__ in type ctor

Author: steve-s

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/modules/BuiltinConstructors.java

@@ -2140,7 +2140,7 @@ Object typeNew(VirtualFrame frame, Object cls, Object wName, PTuple bases, PDict
                         @Cached GetClassNode getClassNode,
                         @CachedLibrary(limit = "3") HashingStorageLibrary hashingStoragelib,
                         @Cached BranchProfile updatedStorage,
-                        @Cached("create(__NEW__)") LookupInheritedAttributeNode getNewFuncNode,
+                        @Cached("create(New)") LookupInheritedSlotNode getNewFuncNode,
                         @Cached("create(__INIT_SUBCLASS__)") GetAttributeNode getInitSubclassNode,
                         @Cached("create(__SET_NAME__)") LookupInheritedAttributeNode getSetNameNode,
                         @Cached("create(__MRO_ENTRIES__)") LookupInheritedAttributeNode lookupMroEntriesNode,