Issue deprecation warnings for safe accesses to extern statics

1 files changed, 32 insertions, 0 deletions

diff --git a/src/test/compile-fail/safe-extern-statics.rs b/src/test/compile-fail/safe-extern-statics.rs
new file mode 100644
index 00000000000..7e96897ee88
--- /dev/null
+++ b/src/test/compile-fail/safe-extern-statics.rs
@@ -0,0 +1,32 @@
+// 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.
+
+// aux-build:extern-statics.rs
+
+#![allow(unused)]
+#![deny(safe_extern_statics)]
+
+extern crate extern_statics;
+use extern_statics::*;
+
+extern {
+    static A: u8;
+}
+
+fn main() {
+    let a = A; //~ ERROR use of extern static requires unsafe function or block
+               //~^ WARN this was previously accepted by the compiler
+    let ra = &A; //~ ERROR use of extern static requires unsafe function or block
+                 //~^ WARN this was previously accepted by the compiler
+    let xa = XA; //~ ERROR use of extern static requires unsafe function or block
+                 //~^ WARN this was previously accepted by the compiler
+    let xra = &XA; //~ ERROR use of extern static requires unsafe function or block
+                   //~^ WARN this was previously accepted by the compiler
+}