1 files changed, 33 insertions, 0 deletions
diff --git a/src/test/parse-fail/syntax-trait-polarity.rs b/src/test/parse-fail/syntax-trait-polarity.rs
new file mode 100644
index 00000000000..1ab79f5c80e
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+++ b/src/test/parse-fail/syntax-trait-polarity.rs
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+// Copyright 2014 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.
+
+#![feature(optin_builtin_traits)]
+
+use std::marker::Send;
+
+struct TestType;
+
+impl !TestType {}
+//~^ ERROR inherent implementation can't be negated
+
+trait TestTrait {}
+
+unsafe impl !Send for TestType {}
+impl !TestTrait for TestType {}
+
+struct TestType2<T>;
+
+impl<T> !TestType2<T> {}
+//~^ ERROR inherent implementation can't be negated
+
+unsafe impl<T> !Send for TestType2<T> {}
+impl<T> !TestTrait for TestType2<T> {}
+
+fn main() {}