Feature gate the sysv64 abi as feature(abi_sysv64) and add tests

1 files changed, 19 insertions, 0 deletions

diff --git a/src/test/compile-fail/feature-gate-abi-sysv64.rs b/src/test/compile-fail/feature-gate-abi-sysv64.rs
new file mode 100644
index 00000000000..2a4aae8c06b
--- /dev/null
+++ b/src/test/compile-fail/feature-gate-abi-sysv64.rs
@@ -0,0 +1,19 @@
+// 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.
+
+// Test that the sysv64 ABI cannot be used when abi-sysv64 feature
+// gate is not used.
+
+extern "sysv64" fn foo() {}
+//~^ ERROR sysv64 ABI is experimental and subject to change
+
+fn main() {
+    foo();
+}