* eval.c (rb_yield_0): no error if block is empty.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4727 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Thu Oct  9 10:51:04 2003  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* eval.c (rb_yield_0): no error if block is empty.
+
 Thu Oct  9 06:43:33 2003  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* eval.c (localjump_error): id should be ID.

eval.c

@@ -4162,7 +4162,10 @@ rb_yield_0(val, self, klass, flags, avalue)
 	POP_TAG();
 	if (state) goto pop_state;
     }
-    if (!node) goto pop_state;
+    if (!node) {
+	state = 0;
+	goto pop_state;
+    }
 
     PUSH_ITER(block->iter);
     PUSH_TAG(PROT_NONE);