(mark_object): Ignore Lisp_Misc_Display_Objfwd objects.

diff --git a/src/alloc.c b/src/alloc.c
index 621cb6d3c0e2d10e458dad3d3d5c477bcad33491..1ed27b168f508ed14f66d6ee8b765e93e4638ad4 100644 (file)
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -1674,6 +1674,7 @@ mark_object (objptr)
        case Lisp_Misc_Boolfwd:
        case Lisp_Misc_Objfwd:
        case Lisp_Misc_Buffer_Objfwd:
+       case Lisp_Misc_Display_Objfwd:
          /* Don't bother with Lisp_Buffer_Objfwd,
             since all markable slots in current buffer marked anyway.  */
          /* Don't need to do Lisp_Objfwd, since the places they point