From: Niko Matsakis <niko@alum.mit.edu>
Date: Fri, 13 Mar 2020 18:43:34 +0000 (-0400)
Subject: add test for negative specializes negative
X-Git-Url: https://git.lizzy.rs/?a=commitdiff_plain;h=b9e09d8f65b9750ecb2f8e7860a1df9633735865;p=rust.git

add test for negative specializes negative
---

diff --git a/src/test/ui/traits/negative-impls/negative-specializes-negative.rs b/src/test/ui/traits/negative-impls/negative-specializes-negative.rs
new file mode 100644
index 00000000000..877c3e8af4f
--- /dev/null
+++ b/src/test/ui/traits/negative-impls/negative-specializes-negative.rs
@@ -0,0 +1,13 @@
+#![feature(specialization)]
+#![feature(negative_impls)]
+
+// Test a negative impl that "specializes" another negative impl.
+//
+// run-pass
+
+trait MyTrait {}
+
+impl<T> !MyTrait for T {}
+impl !MyTrait for u32 {}
+
+fn main() {}