revert last commit because it fails test-all.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41996 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 6 insertions, 12 deletions

diff --git a/ChangeLog b/ChangeLog
index 64725e8e21..a750ba36ea 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,7 +1,3 @@
-Tue Jul 16 14:59:09 2013  Koichi Sasada  <ko1@atdot.net>
-
-	* gc.c (after_gc_sweep): refactoring code.
-
 Tue Jul 16 13:32:06 2013  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* encoding.c (enc_set_index): since r41967, old terminator is dealt
diff --git a/gc.c b/gc.c
index e5ffaccfec..108f1f4d28 100644
--- a/gc.c
+++ b/gc.c
@@ -2384,20 +2384,18 @@ after_gc_sweep(rb_objspace_t *objspace)
 static int
 lazy_sweep(rb_objspace_t *objspace)
 {
-    struct heaps_slot *slot;
+    struct heaps_slot *next;
     int result = FALSE;
 
     gc_prof_sweep_timer_start(objspace);
 
     heaps_increment(objspace);
-    slot = objspace->heap.sweep_slots;
+    while (is_lazy_sweeping(objspace)) {
+        next = objspace->heap.sweep_slots->next;
+	slot_sweep(objspace, objspace->heap.sweep_slots);
+        objspace->heap.sweep_slots = next;
 
-    while (slot) {
-	slot_sweep(objspace, slot);
-
-	if ((objspace->heap.sweep_slots = slot = slot->next) == NULL) {
-	    after_gc_sweep(objspace);
-	}
+	if (!next) after_gc_sweep(objspace);
 
         if (has_free_object) {
             result = TRUE;