Fix spare memory change.

* alloc.c (mark_maybe_pointer): Handle MEM_TYPE_SPARE.
(valid_lisp_object_p): Likewise.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/alloc.c b/src/alloc.c
index 315fea25ef2..36ba22cc535 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -4563,6 +4563,7 @@ mark_maybe_pointer (void *p)
       switch (m->type)
         {
         case MEM_TYPE_NON_LISP:
+        case MEM_TYPE_SPARE:
           /* Nothing to do; not a pointer to Lisp memory.  */
           break;
 
@@ -5019,6 +5020,7 @@ valid_lisp_object_p (Lisp_Object obj)
   switch (m->type)
     {
     case MEM_TYPE_NON_LISP:
+    case MEM_TYPE_SPARE:
       return 0;
 
     case MEM_TYPE_BUFFER: