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

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_7@17029 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

3 files changed, 9 insertions, 3 deletions

diff --git a/ChangeLog b/ChangeLog
index 1b016d0ace..5529e43c88 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Mon Jun  9 03:21:20 2008  Tanaka Akira  <akr@fsij.org>
+
+	* gc.c (os_obj_of): assure to not free the scanning heap.
+
 Mon Jun  9 03:20:12 2008  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* io.c (rb_open_file, rb_io_s_sysopen): fmode should be unsigned int.
diff --git a/gc.c b/gc.c
index 1ff9cadba2..6199939ab6 100644
--- a/gc.c
+++ b/gc.c
@@ -1644,6 +1644,7 @@ os_obj_of(of)
 {
     int i;
     int n = 0;
+    volatile VALUE v;
 
     for (i = 0; i < heaps_used; i++) {
 	RVALUE *p, *pend;
@@ -1662,8 +1663,9 @@ os_obj_of(of)
 		    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++;
 		    }
 		}
diff --git a/version.h b/version.h
index eb452d8d30..3fdd32703e 100644
--- a/version.h
+++ b/version.h
@@ -2,7 +2,7 @@
 #define RUBY_RELEASE_DATE "2008-06-09"
 #define RUBY_VERSION_CODE 187
 #define RUBY_RELEASE_CODE 20080609
-#define RUBY_PATCHLEVEL 11
+#define RUBY_PATCHLEVEL 12
 
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 8