* vm.c (REWIND_CFP): get rid of statement expressions.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18605 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Thu Aug 14 14:54:55 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* vm.c (REWIND_CFP): get rid of statement expressions.
+
 Thu Aug 14 14:13:39 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* vm.c (Init_VM): hide FrozenCore.

vm.c

@@ -1677,7 +1677,7 @@ vm_define_method(rb_thread_t *th, VALUE obj, ID id, VALUE iseqval,
 
 #define REWIND_CFP(expr) do { \
     rb_thread_t *th__ = GET_THREAD(); \
-    th__->cfp++; (expr); th__->cfp--; \
+    th__->cfp++; expr; th__->cfp--; \
 } while (0)
 
 static VALUE