* parse.y (block_append): warn unused lteral.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3603 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Mon Mar 24 00:09:02 2003  Nobuyoshi Nakada  <nobu.nokada@softhome.net>
+
+	* parse.y (block_append): warn unused lteral.
+
 Sun Mar 23 22:22:04 2003  WATANABE Hirofumi  <eban@ruby-lang.org>
 
 	* lib/jcode.rb (tr!, delete!, szueeze!): add empty string checking.

parse.y

@@ -4491,6 +4491,7 @@ block_append(head, tail)
 	goto again;
       case NODE_LIT:
       case NODE_STR:
+	rb_warning("unused literal ignored");
 	return tail;
       default:
 	end = NEW_BLOCK(head);