1 files changed, 21 insertions, 0 deletions
diff --git a/tests/ui/auto-traits/suspicious-negative-impls-lint.rs b/tests/ui/auto-traits/suspicious-negative-impls-lint.rs
new file mode 100644
index 000000000..34842e594
--- /dev/null
+++ b/tests/ui/auto-traits/suspicious-negative-impls-lint.rs
@@ -0,0 +1,21 @@
+#![feature(negative_impls)]
+#![deny(suspicious_auto_trait_impls)]
+
+use std::marker::PhantomData;
+
+struct ContainsVec<T>(Vec<T>);
+impl !Send for ContainsVec<u32> {}
+//~^ ERROR
+//~| WARNING this will change its meaning
+
+pub struct WithPhantomDataSend<T, U>(PhantomData<T>, U);
+impl<T> !Send for WithPhantomDataSend<*const T, u8> {}
+//~^ ERROR
+//~| WARNING this will change its meaning
+
+pub struct WithLifetime<'a, T>(&'a (), T);
+impl<T> !Sync for WithLifetime<'static, Option<T>> {}
+//~^ ERROR
+//~| WARNING this will change its meaning
+
+fn main() {}