2 files changed, 6 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index efc5c70c83..e04a51193e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Fri Jul 13 17:32:37 2007  Yukihiro Matsumoto  <[email protected]>
+
+	* vm.c (vm_free): clear free'ed living_threads field.
+	  [ruby-dev:31163]
+
 Fri Jul 13 16:10:00 2007  Tanaka Akira  <[email protected]>
 
 	* lib/open-uri.rb (URI::Generic#find_proxy): use ENV.to_hash to access
diff --git a/vm.c b/vm.c
index 80e470f5ad..8f62e22008 100644
--- a/vm.c
+++ b/vm.c
@@ -1448,6 +1448,7 @@ vm_free(void *ptr)
 	rb_vm_t *vmobj = ptr;
 
 	st_free_table(vmobj->living_threads);
+	vmobj->living_threads = 0;
 	/* TODO: MultiVM Instance */
 	/* VM object should not be cleaned by GC */
 	/* ruby_xfree(ptr); */