Fixed #1573: Improper use of the keyword-only syntax makes the parser crash
>>> def f(*, **kw):
... pass
...
python: Python/ast.c:652: handle_keywordonly_args: Assertion 'kwonlyargs
!= ((void *)0)' failed.
diff --git a/Misc/NEWS b/Misc/NEWS
index b3905c6..f5ab868 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -4,7 +4,27 @@
(editors: check NEWS.help for information about editing NEWS using ReST.)
+What's New in Python 3.0a3?
+===========================
+
+*Release data: XX-XXX-2008*
+
+Core and Builtins
+-----------------
+
+- Issue #1573: Improper use of the keyword-only syntax makes the parser crash
+
+
+Extension Modules
+-----------------
+
+
+Library
+-------
+
+
What's New in Python 3.0a2?
+===========================
*Release date: 07-Dec-2007*
diff --git a/Python/ast.c b/Python/ast.c
index 6ad43dd..0127281 100644
--- a/Python/ast.c
+++ b/Python/ast.c
@@ -649,8 +649,8 @@
arg_ty arg;
int i = start;
int j = 0; /* index for kwdefaults and kwonlyargs */
- assert(kwonlyargs != NULL);
- assert(kwdefaults != NULL);
+ assert((kwonlyargs != NULL && kwdefaults != NULL) ||
+ TYPE(CHILD(n, i)) == DOUBLESTAR);
while (i < NCH(n)) {
ch = CHILD(n, i);
switch (TYPE(ch)) {