1 files changed, 66 insertions, 0 deletions
diff --git a/src/test/ui/compile-fail-migration/match-byte-array-patterns.rs b/src/test/ui/compile-fail-migration/match-byte-array-patterns.rs
new file mode 100644
index 00000000000..9db4319b786
--- /dev/null
+++ b/src/test/ui/compile-fail-migration/match-byte-array-patterns.rs
@@ -0,0 +1,66 @@
+// Copyright 2016 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(slice_patterns)]
+#![deny(unreachable_patterns)]
+
+fn main() {
+    let buf = &[0, 1, 2, 3];
+
+    match buf {
+        b"AAAA" => {},
+        &[0x41, 0x41, 0x41, 0x41] => {} //~ ERROR unreachable pattern
+        _ => {}
+    }
+
+    match buf {
+        &[0x41, 0x41, 0x41, 0x41] => {}
+        b"AAAA" => {}, //~ ERROR unreachable pattern
+        _ => {}
+    }
+
+    match buf {
+        &[_, 0x41, 0x41, 0x41] => {},
+        b"AAAA" => {}, //~ ERROR unreachable pattern
+        _ => {}
+    }
+
+    match buf {
+        &[0x41, .., 0x41] => {}
+        b"AAAA" => {}, //~ ERROR unreachable pattern
+        _ => {}
+    }
+
+    let buf: &[u8] = buf;
+
+    match buf {
+        b"AAAA" => {},
+        &[0x41, 0x41, 0x41, 0x41] => {} //~ ERROR unreachable pattern
+        _ => {}
+    }
+
+    match buf {
+        &[0x41, 0x41, 0x41, 0x41] => {}
+        b"AAAA" => {}, //~ ERROR unreachable pattern
+        _ => {}
+    }
+
+    match buf {
+        &[_, 0x41, 0x41, 0x41] => {},
+        b"AAAA" => {}, //~ ERROR unreachable pattern
+        _ => {}
+    }
+
+    match buf {
+        &[0x41, .., 0x41] => {}
+        b"AAAA" => {}, //~ ERROR unreachable pattern
+        _ => {}
+    }
+}