rustc: Fix regressed handling of bad attributes

Issue #487

Author: brson

src/comp/front/parser.rs

@@ -1806,7 +1806,12 @@ fn parse_item_obj(&parser p, ast::layer lyr, vec[ast::attribute] attrs) ->
 
 fn parse_mod_items(&parser p, token::token term,
                    vec[ast::attribute] first_item_attrs) -> ast::_mod {
-    auto view_items = parse_view(p);
+    auto view_items = if (vec::len(first_item_attrs) == 0u) {
+        parse_view(p)
+    } else {
+        // Shouldn't be any view items since we've already parsed an item attr
+        []
+    };
     let vec[@ast::item] items = [];
     auto initial_attrs = first_item_attrs;
     while (p.peek() != term) {

src/test/compile-fail/attr-before-view-item2.rs

@@ -0,0 +1,10 @@
+// xfail-stage0
+// error-pattern:expected item
+
+mod m {
+  #[foo = "bar"]
+  use std;
+}
+
+fn main() {
+}