Add warning cycle.

3 files changed, 21 insertions, 2 deletions

diff --git a/src/test/compile-fail/issue-39404.rs b/src/test/compile-fail/issue-39404.rs
new file mode 100644
index 00000000000..0168ae7d910
--- /dev/null
+++ b/src/test/compile-fail/issue-39404.rs
@@ -0,0 +1,18 @@
+// Copyright 2017 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.
+
+#![deny(missing_fragment_specifier)] //~ NOTE lint level defined here
+
+macro_rules! m { ($i) => {} }
+//~^ ERROR missing fragment specifier
+//~| WARN previously accepted
+//~| NOTE issue #40107
+
+fn main() {}
diff --git a/src/test/compile-fail/macro-match-nonterminal.rs b/src/test/compile-fail/macro-match-nonterminal.rs
index 0af171b43fe..6cca729e2c2 100644
--- a/src/test/compile-fail/macro-match-nonterminal.rs
+++ b/src/test/compile-fail/macro-match-nonterminal.rs
@@ -8,8 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-macro_rules! test { ($a, //~ ERROR missing fragment
-                     $b) => (()); } //~ ERROR missing fragment
+macro_rules! test { ($a, $b) => (()); } //~ ERROR missing fragment
 
 fn main() {
     test!()
diff --git a/src/test/parse-fail/issue-33569.rs b/src/test/parse-fail/issue-33569.rs
index d72bd8aab89..15d491719a6 100644
--- a/src/test/parse-fail/issue-33569.rs
+++ b/src/test/parse-fail/issue-33569.rs
@@ -16,3 +16,5 @@ macro_rules! foo {
         $(x)(y) //~ ERROR expected `*` or `+`
     }
 }
+
+foo!();