Update tests to use #[rustc_auto_trait]

Author: fmease

compiler/rustc_codegen_cranelift/example/mini_core.rs

@@ -7,7 +7,6 @@
     decl_macro,
     rustc_attrs,
     transparent_unions,
-    auto_traits,
     thread_local
 )]
 #![no_core]
@@ -93,7 +92,8 @@ unsafe impl<'a, T: ?Sized> Sync for &'a T {}
 unsafe impl Sync for [u8; 16] {}
 
 #[lang = "freeze"]
-unsafe auto trait Freeze {}
+#[rustc_auto_trait]
+unsafe trait Freeze {}
 
 unsafe impl<T: ?Sized> Freeze for PhantomData<T> {}
 unsafe impl<T: ?Sized> Freeze for *const T {}
@@ -503,7 +503,8 @@ pub unsafe fn drop_in_place<T: ?Sized>(to_drop: *mut T) {
 }
 
 #[lang = "unpin"]
-pub auto trait Unpin {}
+#[rustc_auto_trait]
+pub trait Unpin {}
 
 #[lang = "deref"]
 pub trait Deref {

compiler/rustc_codegen_gcc/example/mini_core.rs

@@ -1,6 +1,6 @@
 #![feature(
     no_core, lang_items, intrinsics, unboxed_closures, type_ascription, extern_types,
-    decl_macro, rustc_attrs, transparent_unions, auto_traits,
+    decl_macro, rustc_attrs, transparent_unions,
     thread_local
 )]
 #![no_core]
@@ -89,7 +89,8 @@ unsafe impl<'a, T: ?Sized> Sync for &'a T {}
 unsafe impl Sync for [u8; 16] {}
 
 #[lang = "freeze"]
-unsafe auto trait Freeze {}
+#[rustc_auto_trait]
+unsafe trait Freeze {}
 
 unsafe impl<T: ?Sized> Freeze for PhantomData<T> {}
 unsafe impl<T: ?Sized> Freeze for *const T {}
@@ -452,7 +453,8 @@ pub unsafe fn drop_in_place<T: ?Sized>(to_drop: *mut T) {
 }
 
 #[lang = "unpin"]
-pub auto trait Unpin {}
+#[rustc_auto_trait]
+pub trait Unpin {}
 
 #[lang = "deref"]
 pub trait Deref {

compiler/rustc_codegen_gcc/tests/run/abort1.rs

@@ -3,7 +3,7 @@
 // Run-time:
 //   status: signal
 
-#![feature(auto_traits, lang_items, no_core, start, intrinsics)]
+#![feature(rustc_attrs, lang_items, no_core, start, intrinsics)]
 
 #![no_std]
 #![no_core]
@@ -27,7 +27,8 @@ trait Receiver {
 }
 
 #[lang = "freeze"]
-pub(crate) unsafe auto trait Freeze {}
+#[rustc_auto_trait]
+pub(crate) unsafe trait Freeze {}
 
 mod intrinsics {
     use super::Sized;

compiler/rustc_codegen_gcc/tests/run/abort2.rs

@@ -3,7 +3,7 @@
 // Run-time:
 //   status: signal
 
-#![feature(auto_traits, lang_items, no_core, start, intrinsics)]
+#![feature(rustc_attrs, lang_items, no_core, start, intrinsics)]
 
 #![no_std]
 #![no_core]
@@ -27,7 +27,8 @@ trait Receiver {
 }
 
 #[lang = "freeze"]
-pub(crate) unsafe auto trait Freeze {}
+#[rustc_auto_trait]
+pub(crate) unsafe trait Freeze {}
 
 mod intrinsics {
     use super::Sized;

compiler/rustc_codegen_gcc/tests/run/array.rs

@@ -7,7 +7,7 @@
 //     5
 //     10
 
-#![feature(arbitrary_self_types, auto_traits, lang_items, no_core, start, intrinsics)]
+#![feature(arbitrary_self_types, rustc_attrs, lang_items, no_core, start, intrinsics)]
 
 #![no_std]
 #![no_core]
@@ -36,7 +36,8 @@ trait Receiver {
 }
 
 #[lang = "freeze"]
-pub(crate) unsafe auto trait Freeze {}
+#[rustc_auto_trait]
+pub(crate) unsafe trait Freeze {}
 
 mod libc {
     #[link(name = "c")]

compiler/rustc_codegen_gcc/tests/run/assign.rs

@@ -6,7 +6,7 @@
 //     10
 
 #![allow(unused_attributes)]
-#![feature(auto_traits, lang_items, no_core, start, intrinsics, track_caller)]
+#![feature(rustc_attrs, lang_items, no_core, start, intrinsics, track_caller)]
 
 #![no_std]
 #![no_core]
@@ -35,7 +35,8 @@ trait Receiver {
 }
 
 #[lang = "freeze"]
-pub(crate) unsafe auto trait Freeze {}
+#[rustc_auto_trait]
+pub(crate) unsafe trait Freeze {}
 
 #[lang = "panic_location"]
 struct PanicLocation {

compiler/rustc_codegen_gcc/tests/run/closure.rs

@@ -8,7 +8,7 @@
 //     Int argument: 2
 //     Both args: 11
 
-#![feature(arbitrary_self_types, auto_traits, lang_items, no_core, start, intrinsics,
+#![feature(arbitrary_self_types, rustc_attrs, lang_items, no_core, start, intrinsics,
     unboxed_closures)]
 
 #![no_std]
@@ -38,7 +38,8 @@ trait Receiver {
 }
 
 #[lang = "freeze"]
-pub(crate) unsafe auto trait Freeze {}
+#[rustc_auto_trait]
+pub(crate) unsafe trait Freeze {}
 
 mod libc {
     #[link(name = "c")]

compiler/rustc_codegen_gcc/tests/run/condition.rs

@@ -5,7 +5,7 @@
 //   stdout: true
 //     1
 
-#![feature(arbitrary_self_types, auto_traits, lang_items, no_core, start, intrinsics)]
+#![feature(arbitrary_self_types, rustc_attrs, lang_items, no_core, start, intrinsics)]
 
 #![no_std]
 #![no_core]
@@ -39,7 +39,8 @@ trait Receiver {
 }
 
 #[lang = "freeze"]
-pub(crate) unsafe auto trait Freeze {}
+#[rustc_auto_trait]
+pub(crate) unsafe trait Freeze {}
 
 mod libc {
     #[link(name = "c")]

compiler/rustc_codegen_gcc/tests/run/empty_main.rs

@@ -3,7 +3,7 @@
 // Run-time:
 //   status: 0
 
-#![feature(auto_traits, lang_items, no_core, start)]
+#![feature(rustc_attrs, lang_items, no_core, start)]
 
 #![no_std]
 #![no_core]
@@ -27,7 +27,8 @@ trait Receiver {
 }
 
 #[lang = "freeze"]
-pub(crate) unsafe auto trait Freeze {}
+#[rustc_auto_trait]
+pub(crate) unsafe trait Freeze {}
 
 /*
  * Code

compiler/rustc_codegen_gcc/tests/run/exit.rs

@@ -3,7 +3,7 @@
 // Run-time:
 //   status: 2
 
-#![feature(auto_traits, lang_items, no_core, start, intrinsics)]
+#![feature(rustc_attrs, lang_items, no_core, start, intrinsics)]
 
 #![no_std]
 #![no_core]
@@ -34,7 +34,8 @@ trait Receiver {
 }
 
 #[lang = "freeze"]
-pub(crate) unsafe auto trait Freeze {}
+#[rustc_auto_trait]
+pub(crate) unsafe trait Freeze {}
 
 /*
  * Code