From 9c8d0e375e36e091e87dbd2bdf6022562bdb41c4 Mon Sep 17 00:00:00 2001
From: James Miller <james@aatch.net>
Date: Fri, 7 Jun 2013 11:28:38 +1200
Subject: [PATCH] Provide an actual error when expanding macros to foreign
 items

---
 src/libsyntax/parse/parser.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs
index f013dfaceba..552d4b17841 100644
--- a/src/libsyntax/parse/parser.rs
+++ b/src/libsyntax/parse/parser.rs
@@ -4492,9 +4492,9 @@ fn parse_foreign_items(&self, first_item_attrs: ~[attribute],
                     self.span_err(view_item.span,
                                   "`use` and `extern mod` declarations must precede items");
                 }
-                iovi_item(_) => {
+                iovi_item(item) => {
                     // FIXME #5668: this will occur for a macro invocation:
-                    fail!();
+                    self.span_fatal(item.span, "macros cannot expand to foreign items");
                 }
                 iovi_foreign_item(foreign_item) => {
                     foreign_items.push(foreign_item);