Update Python 3 to 3.12.8

commit_hash:c20045b8a987d8720e1f3328270357491d5530f3

1 files changed, 7 insertions, 4 deletions

diff --git a/contrib/tools/python3/Python/compile.c b/contrib/tools/python3/Python/compile.c
index 49b2ebf003..56fdbfae6f 100644
--- a/contrib/tools/python3/Python/compile.c
+++ b/contrib/tools/python3/Python/compile.c
@@ -1835,7 +1835,7 @@ compiler_make_closure(struct compiler *c, location loc,
                     c->u->u_metadata.u_name,
                     co->co_name,
                     freevars);
-                Py_DECREF(freevars);
+                Py_XDECREF(freevars);
                 return ERROR;
             }
             ADDOP_I(c, loc, LOAD_CLOSURE, arg);
@@ -5191,9 +5191,12 @@ ex_call:
 }
 
 
-/* List and set comprehensions and generator expressions work by creating a
-  nested function to perform the actual iteration. This means that the
-  iteration variables don't leak into the current scope.
+/* List and set comprehensions work by being inlined at the location where
+  they are defined. The isolation of iteration variables is provided by
+  pushing/popping clashing locals on the stack. Generator expressions work
+  by creating a nested function to perform the actual iteration.
+  This means that the iteration variables don't leak into the current scope.
+  See https://peps.python.org/pep-0709/ for additional information.
   The defined function is called immediately following its definition, with the
   result of that call being the result of the expression.
   The LC/SC version returns the populated container, while the GE version is