- if (obstack_object_size (&dont_print_statmem_obstack) > 0)
- obstack_free (&dont_print_statmem_obstack, statmem_obstack_top);
+ int obstack_final_size =
+ obstack_object_size (&dont_print_statmem_obstack);
+
+ if (obstack_final_size > obstack_initial_size) {
+ /* In effect, a pop of the printed-statics stack. */
+
+ void *free_to_ptr =
+ obstack_next_free (&dont_print_statmem_obstack) -
+ (obstack_final_size - obstack_initial_size);
+
+ obstack_free (&dont_print_statmem_obstack,
+ free_to_ptr);
+ }