gh-90110: Clean Up the C-analyzer Globals Lists (gh-100091)

https://github.com/python/cpython/issues/90110

Parser/action_helpers.c

@@ -13,6 +13,7 @@ void *
 _PyPegen_dummy_name(Parser *p, ...)
 {
     // XXX This leaks memory from the initial arena.
+    // Use a statically allocated variable instead of a pointer?
     static void *cache = NULL;
 
     if (cache != NULL) {
@@ -1287,4 +1288,4 @@ _PyPegen_nonparen_genexp_in_call(Parser *p, expr_ty args, asdl_comprehension_seq
         _PyPegen_get_last_comprehension_item(last_comprehension),
         "Generator expression must be parenthesized"
     );
-}
+}