Fix: correctly dispatch to message w/o state

Author: fangerer

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/dict/PDict.java

@@ -127,10 +127,15 @@ static boolean hasBuiltinLen(PDict self, LookupInheritedAttributeNode.Dynamic lo
         }, limit = "1")
         static int doBuiltin(PDict self, ThreadState state,
                         @CachedLibrary("self.getDictStorage()") HashingStorageLibrary storageLib,
+                        @Shared("gotState") @Cached ConditionProfile gotState,
                         @SuppressWarnings("unused") @Cached IsBuiltinClassProfile profile,
                         @SuppressWarnings("unused") @Cached LookupInheritedAttributeNode.Dynamic lookupSelf,
                         @SuppressWarnings("unused") @Cached LookupAttributeInMRONode.Dynamic lookupDict) {
-            return storageLib.lengthWithState(self.dictStorage, state);
+            if (gotState.profile(state == null)) {
+                return storageLib.length(self.dictStorage);
+            } else {
+                return storageLib.lengthWithState(self.dictStorage, state);
+            }
         }
 
         @Specialization(replaces = "doBuiltin")