From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/test/ui/specialization/specialization-polarity.rs | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 src/test/ui/specialization/specialization-polarity.rs

(limited to 'src/test/ui/specialization/specialization-polarity.rs')

diff --git a/src/test/ui/specialization/specialization-polarity.rs b/src/test/ui/specialization/specialization-polarity.rs
new file mode 100644
index 000000000..b3cd8255b
--- /dev/null
+++ b/src/test/ui/specialization/specialization-polarity.rs
@@ -0,0 +1,17 @@
+// Make sure specialization cannot change impl polarity
+
+#![feature(auto_traits)]
+#![feature(negative_impls)]
+#![feature(specialization)] //~ WARN the feature `specialization` is incomplete
+
+auto trait Foo {}
+
+impl<T> Foo for T {}
+impl !Foo for u8 {} //~ ERROR E0751
+
+auto trait Bar {}
+
+impl<T> !Bar for T {}
+impl Bar for u8 {} //~ ERROR E0751
+
+fn main() {}
-- 
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