akr	2008-06-07 17:12:44 +0900 (Sat, 07 Jun 2008)

  New Revision: 16872

  Modified files:
    branches/ruby_1_8/ChangeLog
    branches/ruby_1_8/gc.c

  Log:
    * gc.c (os_obj_of): assure to not free the scanning heap.


  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/branches/ruby_1_8/ChangeLog?r1=16872&r2=16871&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/branches/ruby_1_8/gc.c?r1=16872&r2=16871&diff_format=u

Index: ruby_1_8/ChangeLog
===================================================================
--- ruby_1_8/ChangeLog	(revision 16871)
+++ ruby_1_8/ChangeLog	(revision 16872)
@@ -1,3 +1,7 @@
+Sat Jun  7 17:11:29 2008  Tanaka Akira  <akr@f...>
+
+	* gc.c (os_obj_of): assure to not free the scanning heap.
+
 Sat Jun  7 16:06:14 2008  Nobuyoshi Nakada  <nobu@r...>
 
 	* configure.in (CFLAGS, CXXFLAGS): append default flags.
Index: ruby_1_8/gc.c
===================================================================
--- ruby_1_8/gc.c	(revision 16871)
+++ ruby_1_8/gc.c	(revision 16872)
@@ -1644,6 +1644,7 @@
 {
     int i;
     int n = 0;
+    volatile VALUE v;
 
     for (i = 0; i < heaps_used; i++) {
 	RVALUE *p, *pend;
@@ -1662,8 +1663,9 @@
 		    if (FL_TEST(p, FL_SINGLETON)) continue;
 		  default:
 		    if (!p->as.basic.klass) continue;
-		    if (!of || rb_obj_is_kind_of((VALUE)p, of)) {
-			rb_yield((VALUE)p);
+                    v = (VALUE)p;
+		    if (!of || rb_obj_is_kind_of(v, of)) {
+			rb_yield(v);
 			n++;
 		    }
 		}

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