1 files changed, 17 insertions, 0 deletions
diff --git a/tests/ui/coherence/coherence-conflicting-negative-trait-impl.rs b/tests/ui/coherence/coherence-conflicting-negative-trait-impl.rs
new file mode 100644
index 000000000..24b878927
--- /dev/null
+++ b/tests/ui/coherence/coherence-conflicting-negative-trait-impl.rs
@@ -0,0 +1,17 @@
+#![feature(negative_impls)]
+#![feature(marker_trait_attr)]
+
+#[marker]
+trait MyTrait {}
+
+struct TestType<T>(::std::marker::PhantomData<T>);
+
+unsafe impl<T: MyTrait + 'static> Send for TestType<T> {}
+
+impl<T: MyTrait> !Send for TestType<T> {} //~ ERROR found both positive and negative implementation
+
+unsafe impl<T: 'static> Send for TestType<T> {} //~ ERROR conflicting implementations
+
+impl !Send for TestType<i32> {}
+
+fn main() {}