python
diff --git a/‎Grammar/python.gram
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+1-12Lines changed: 1 addition & 12 deletions b/‎Grammar/python.gram
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+1-12Lines changed: 1 addition & 12 deletions
diff --git a/‎Misc/NEWS.d/next/Core and Builtins/2020-09-02-12-00-57.bpo-41690.Ny-Sfy.rst
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+2Lines changed: 2 additions & 0 deletions b/‎Misc/NEWS.d/next/Core and Builtins/2020-09-02-12-00-57.bpo-41690.Ny-Sfy.rst
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+2Lines changed: 2 additions & 0 deletions
@@ -537,22 +537,11 @@ arguments[expr_ty] (memo):
     | a=args [','] &')' { a }
     | incorrect_arguments
 args[expr_ty]:
-    | a=starred_expression b=[',' c=args { c }] {
-        _Py_Call(_PyPegen_dummy_name(p),
-                 (b) ? CHECK(_PyPegen_seq_insert_in_front(p, a, ((expr_ty) b)->v.Call.args))
-                     : CHECK(_PyPegen_singleton_seq(p, a)),
-                 (b) ? ((expr_ty) b)->v.Call.keywords : NULL,
-                 EXTRA) }
+    | a=','.(starred_expression | named_expression !'=')+ b=[',' k=kwargs {k}] { _PyPegen_collect_call_seqs(p, a, b) }
     | a=kwargs { _Py_Call(_PyPegen_dummy_name(p),
                           CHECK_NULL_ALLOWED(_PyPegen_seq_extract_starred_exprs(p, a)),
                           CHECK_NULL_ALLOWED(_PyPegen_seq_delete_starred_exprs(p, a)),
                           EXTRA) }
-    | a=named_expression b=[',' c=args { c }] {
-        _Py_Call(_PyPegen_dummy_name(p),
-                 (b) ? CHECK(_PyPegen_seq_insert_in_front(p, a, ((expr_ty) b)->v.Call.args))
-                     : CHECK(_PyPegen_singleton_seq(p, a)),
-                 (b) ? ((expr_ty) b)->v.Call.keywords : NULL,
-                 EXTRA) }
 kwargs[asdl_seq*]:
     | a=','.kwarg_or_starred+ ',' b=','.kwarg_or_double_starred+ { _PyPegen_join_sequences(p, a, b) }
     | ','.kwarg_or_starred+
 
@@ -0,0 +1,2 @@
+Fix a possible stack overflow in the parser when parsing functions and
+classes with a huge ammount of arguments. Patch by Pablo Galindo.
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	`+Fix a possible stack overflow in the parser when parsing functions and`
	`2`	`+classes with a huge ammount of arguments. Patch by Pablo Galindo.`