Use _PyDict_NewPresized() in _PyStack_AsDict()

vstinner · vstinner · commit 944dbc643173 · 2016-12-15T16:59:40.000+01:00
Issue #27810.
diff --git a/Objects/abstract.c b/Objects/abstract.c
@@ -2378,7 +2378,7 @@ _PyStack_AsDict(PyObject **values, PyObject *kwnames)
     PyObject *kwdict;
     Py_ssize_t i;
 
-    kwdict = PyDict_New();
+    kwdict = _PyDict_NewPresized(nkwargs);
     if (kwdict == NULL) {
         return NULL;
     }

Original file line number	Diff line number	Diff line change
`@@ -2378,7 +2378,7 @@ _PyStack_AsDict(PyObject *values, PyObject kwnames)`
`2378`	`2378`	`PyObject *kwdict;`
`2379`	`2379`	`Py_ssize_t i;`
`2380`	`2380`
`2381`		`- kwdict = PyDict_New();`
	`2381`	`+ kwdict = _PyDict_NewPresized(nkwargs);`
`2382`	`2382`	`if (kwdict == NULL) {`
`2383`	`2383`	`return NULL;`
`2384`	`2384`	`}`