rustc: Don't ignore attributes inside empty mods. Closes #1655

Author: brson

src/comp/syntax/parse/parser.rs

@@ -2068,7 +2068,6 @@ fn parse_mod_items(p: parser, term: token::token,
     let initial_attrs = first_item_attrs;
     while p.token != term {
         let attrs = initial_attrs + parse_outer_attributes(p);
-        initial_attrs = [];
         #debug["parse_mod_items: parse_item(attrs=%?)", attrs];
         alt parse_item(p, attrs) {
           some(i) { items += [i]; }
@@ -2078,7 +2077,14 @@ fn parse_mod_items(p: parser, term: token::token,
           }
         }
         #debug["parse_mod_items: attrs=%?", attrs];
+        initial_attrs = [];
+    }
+
+    if vec::is_not_empty(initial_attrs) {
+        // We parsed attributes for the first item but didn't find the item
+        p.fatal("expected item");
     }
+
     ret {view_items: view_items, items: items};
 }
 

src/test/compile-fail/issue-1655.rs

@@ -0,0 +1,11 @@
+// error-pattern:expected item
+mod blade_runner {
+    #[doc(
+        brief = "Blade Runner is probably the best movie ever",
+        desc = "I like that in the world of Blade Runner it is always
+                raining, and that it's always night time. And Aliens
+                was also a really good movie.
+
+                Alien 3 was crap though."
+    )]
+}