Description: <short summary of the patch>
 TODO: Put a short summary on the line above and replace this paragraph
 with a longer explanation of this change. Complete the meta-information
 with other relevant fields (see below for details). To make it easier, the
 information below has been extracted from the changelog. Adjust it or drop
 it.
 .
 gcl (2.6.12-51) unstable; urgency=medium
 .
   * list_order.7
Author: Camm Maguire <camm@debian.org>

---
The information above should follow the Patch Tagging Guidelines, please
checkout http://dep.debian.net/deps/dep3/ to learn about the format. Here
are templates for supplementary fields that you might want to add:

Origin: <vendor|upstream|other>, <url of original patch>
Bug: <url in upstream bugtracker>
Bug-Debian: https://bugs.debian.org/<bugnumber>
Bug-Ubuntu: https://launchpad.net/bugs/<bugnumber>
Forwarded: <no|not-needed|url proving that it has been forwarded>
Reviewed-By: <name and email of someone who approved the patch>
Last-Update: 2017-06-15

--- gcl-2.6.12.orig/o/gbc.c
+++ gcl-2.6.12/o/gbc.c
@@ -966,6 +966,11 @@ sweep_phase(void) {
   STATIC object f;
   STATIC struct pageinfo *v;
   
+  for (j= t_start; j < t_contiguous ; j++) {
+    tm_of(j)->tm_free=OBJNULL;
+    tm_of(j)->tm_nfree=0;
+  }
+
   for (v=cell_list_head;v;v=v->next) {
 
     tm = tm_of((enum type)v->type);
@@ -975,22 +980,23 @@ sweep_phase(void) {
     k = 0;
     for (j = tm->tm_nppage; j > 0; --j, p += tm->tm_size) {
       x = (object)p;
-      if (is_free(x))
-	continue;
-      else if (is_marked(x)) {
+
+      if (is_marked(x)) {
 	unmark(x);
 	continue;
       }
 
-      SET_LINK(f,x);
       make_free(x);
+      SET_LINK(f,x);
       f = x;
       k++;
+
     }
+
     SET_LINK(f,OBJNULL);
     tm->tm_tail = f;
     tm->tm_nfree += k;
-    pagetoinfo(page(v))->in_use-=k;
+    pagetoinfo(page(v))->in_use=tm->tm_nppage-k;
     
   }
 
--- gcl-2.6.12.orig/o/sgbc.c
+++ gcl-2.6.12/o/sgbc.c
@@ -873,6 +873,7 @@ sgc_quit(void) {
 	}
       SET_LINK(f,n!=OBJNULL ? n : o);
       tm->tm_tail=f;
+      for (;OBJ_LINK(tm->tm_tail)!=OBJNULL;tm->tm_tail=OBJ_LINK(tm->tm_tail));
       tm->tm_nfree += tm->tm_alt_nfree;
       tm->tm_alt_nfree = 0;
       tm->tm_alt_free = OBJNULL;