rollup merge of #23948: nikomatsakis/feature-gate-rust-abi

Like it says.

r? @alexcrichton

4 files changed, 28 insertions, 4 deletions

diff --git a/src/test/compile-fail/feature-gate-rust-call.rs b/src/test/compile-fail/feature-gate-rust-call.rs
new file mode 100644
index 00000000000..029a9cad65f
--- /dev/null
+++ b/src/test/compile-fail/feature-gate-rust-call.rs
@@ -0,0 +1,21 @@
+// Copyright 2014 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.
+
+extern "rust-call" fn foo() { } //~ ERROR rust-call ABI is subject to change
+
+trait Foo {
+    extern "rust-call" fn foo();
+}
+
+impl Foo for i32 {
+    extern "rust-call" fn foo() { } //~ ERROR rust-call ABI is subject to change
+}
+
+fn main() { }
diff --git a/src/test/compile-fail/feature-gate-unboxed-closures-manual-impls.rs b/src/test/compile-fail/feature-gate-unboxed-closures-manual-impls.rs
index d86c5d211dc..5df309321d3 100644
--- a/src/test/compile-fail/feature-gate-unboxed-closures-manual-impls.rs
+++ b/src/test/compile-fail/feature-gate-unboxed-closures-manual-impls.rs
@@ -17,23 +17,23 @@
 
 struct Foo;
 impl Fn<()> for Foo {
-    //~^ ERROR angle-bracket notation is not stable when used with the `Fn` family of traits
     extern "rust-call" fn call(self, args: ()) -> () {}
+    //~^ ERROR rust-call ABI is subject to change
 }
 struct Foo1;
 impl FnOnce() for Foo1 {
-    //~^ ERROR associated type bindings are not allowed here
     extern "rust-call" fn call_once(self, args: ()) -> () {}
+    //~^ ERROR rust-call ABI is subject to change
 }
 struct Bar;
 impl FnMut<()> for Bar {
-    //~^ ERROR angle-bracket notation is not stable when used with the `Fn` family of traits
     extern "rust-call" fn call_mut(&self, args: ()) -> () {}
+    //~^ ERROR rust-call ABI is subject to change
 }
 struct Baz;
 impl FnOnce<()> for Baz {
-    //~^ ERROR angle-bracket notation is not stable when used with the `Fn` family of traits
     extern "rust-call" fn call_once(&self, args: ()) -> () {}
+    //~^ ERROR rust-call ABI is subject to change
 }
 
 fn main() {}
diff --git a/src/test/run-make/rustdoc-extern-method/bar.rs b/src/test/run-make/rustdoc-extern-method/bar.rs
index 672090c13a2..26a05f8490f 100644
--- a/src/test/run-make/rustdoc-extern-method/bar.rs
+++ b/src/test/run-make/rustdoc-extern-method/bar.rs
@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#![feature(unboxed_closures)]
+
 extern crate foo;
 
 // @has bar/trait.Foo.html //pre "pub trait Foo"
diff --git a/src/test/run-make/rustdoc-extern-method/foo.rs b/src/test/run-make/rustdoc-extern-method/foo.rs
index fc5f03e8bd3..96a7a8378b7 100644
--- a/src/test/run-make/rustdoc-extern-method/foo.rs
+++ b/src/test/run-make/rustdoc-extern-method/foo.rs
@@ -9,6 +9,7 @@
 // except according to those terms.
 
 #![crate_type="lib"]
+#![feature(unboxed_closures)]
 
 pub trait Foo {
     extern "rust-call" fn foo(&self, _: ()) -> i32;