From 984a596cfd4a1acb3709cd96eb4a8bfe4e3d0966 Mon Sep 17 00:00:00 2001
From: Potpourri <pot_pourri@mail.ru>
Date: Sun, 1 Feb 2015 00:59:58 +0300
Subject: [PATCH] Reject syntax like `use std::io::;`

---
 src/libsyntax/parse/parser.rs                  |  5 +++++
 src/test/compile-fail/use-ends-with-mod-sep.rs | 11 +++++++++++
 2 files changed, 16 insertions(+)
 create mode 100644 src/test/compile-fail/use-ends-with-mod-sep.rs

diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs
index d99095eeba377..b34e99146bd2e 100644
--- a/src/libsyntax/parse/parser.rs
+++ b/src/libsyntax/parse/parser.rs
@@ -5954,6 +5954,11 @@ impl<'a> Parser<'a> {
                     return P(spanned(lo, self.span.hi, ViewPathGlob(path)));
                   }
 
+                  // fall-through for case foo::bar::;
+                  token::Semi => {
+                    self.span_err(self.span, "expected identifier or `{` or `*`, found `;`");
+                  }
+
                   _ => break
                 }
             }
diff --git a/src/test/compile-fail/use-ends-with-mod-sep.rs b/src/test/compile-fail/use-ends-with-mod-sep.rs
new file mode 100644
index 0000000000000..a375a5962a567
--- /dev/null
+++ b/src/test/compile-fail/use-ends-with-mod-sep.rs
@@ -0,0 +1,11 @@
+// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+use std::any::; //~ ERROR expected identifier or `{` or `*`, found `;`