h->use_extra_arg = 0;
chunk = h->chunk = CALL_CHUNKFUN (h, h -> chunk_size);
- if (!chunk)
+ if (!chunk) {
(*obstack_alloc_failed_handler) ();
+ return 0;
+ }
h->next_free = h->object_base = __PTR_ALIGN ((char *) chunk, chunk->contents,
alignment - 1);
h->chunk_limit = chunk->limit