rustc: Stabilize the `proc_macro` feature

This commit stabilizes the `proc_macro` and `proc_macro_lib` features in the
compiler to stabilize the "Macros 1.1" feature of the language. Many more
details can be found on the tracking issue, #35900.

Closes #35900

29 files changed, 0 insertions, 105 deletions

diff --git a/src/test/compile-fail-fulldeps/proc-macro/attribute.rs b/src/test/compile-fail-fulldeps/proc-macro/attribute.rs
index abf11637631..5d5e61270b6 100644
--- a/src/test/compile-fail-fulldeps/proc-macro/attribute.rs
+++ b/src/test/compile-fail-fulldeps/proc-macro/attribute.rs
@@ -9,7 +9,6 @@
 // except according to those terms.
 
 #![crate_type = "proc-macro"]
-#![feature(proc_macro, proc_macro_lib)]
 
 extern crate proc_macro;
 
diff --git a/src/test/compile-fail-fulldeps/proc-macro/auxiliary/derive-a-b.rs b/src/test/compile-fail-fulldeps/proc-macro/auxiliary/derive-a-b.rs
index 8a92ca74f37..cd8750bc89c 100644
--- a/src/test/compile-fail-fulldeps/proc-macro/auxiliary/derive-a-b.rs
+++ b/src/test/compile-fail-fulldeps/proc-macro/auxiliary/derive-a-b.rs
@@ -11,7 +11,6 @@
 // force-host
 // no-prefer-dynamic
 
-#![feature(proc_macro, proc_macro_lib)]
 #![crate_type = "proc-macro"]
 
 extern crate proc_macro;
diff --git a/src/test/compile-fail-fulldeps/proc-macro/auxiliary/derive-a.rs b/src/test/compile-fail-fulldeps/proc-macro/auxiliary/derive-a.rs
index 8d26207273d..53b2c23e5d7 100644
--- a/src/test/compile-fail-fulldeps/proc-macro/auxiliary/derive-a.rs
+++ b/src/test/compile-fail-fulldeps/proc-macro/auxiliary/derive-a.rs
@@ -11,8 +11,6 @@
 // force-host
 // no-prefer-dynamic
 
-#![feature(proc_macro)]
-#![feature(proc_macro_lib)]
 #![crate_type = "proc-macro"]
 
 extern crate proc_macro;
diff --git a/src/test/compile-fail-fulldeps/proc-macro/auxiliary/derive-b.rs b/src/test/compile-fail-fulldeps/proc-macro/auxiliary/derive-b.rs
index 70b778b1030..5787546fb1e 100644
--- a/src/test/compile-fail-fulldeps/proc-macro/auxiliary/derive-b.rs
+++ b/src/test/compile-fail-fulldeps/proc-macro/auxiliary/derive-b.rs
@@ -11,8 +11,6 @@
 // force-host
 // no-prefer-dynamic
 
-#![feature(proc_macro)]
-#![feature(proc_macro_lib)]
 #![crate_type = "proc-macro"]
 
 extern crate proc_macro;
diff --git a/src/test/compile-fail-fulldeps/proc-macro/auxiliary/derive-bad.rs b/src/test/compile-fail-fulldeps/proc-macro/auxiliary/derive-bad.rs
index aae8b63e253..841b39eaed0 100644
--- a/src/test/compile-fail-fulldeps/proc-macro/auxiliary/derive-bad.rs
+++ b/src/test/compile-fail-fulldeps/proc-macro/auxiliary/derive-bad.rs
@@ -11,8 +11,6 @@
 // no-prefer-dynamic
 // force-host
 
-#![feature(proc_macro)]
-#![feature(proc_macro_lib)]
 #![crate_type = "proc-macro"]
 
 extern crate proc_macro;
diff --git a/src/test/compile-fail-fulldeps/proc-macro/auxiliary/derive-panic.rs b/src/test/compile-fail-fulldeps/proc-macro/auxiliary/derive-panic.rs
index f426fe54376..3274f0324e1 100644
--- a/src/test/compile-fail-fulldeps/proc-macro/auxiliary/derive-panic.rs
+++ b/src/test/compile-fail-fulldeps/proc-macro/auxiliary/derive-panic.rs
@@ -11,8 +11,6 @@
 // no-prefer-dynamic
 // force-host
 
-#![feature(proc_macro)]
-#![feature(proc_macro_lib)]
 #![crate_type = "proc-macro"]
 
 extern crate proc_macro;
diff --git a/src/test/compile-fail-fulldeps/proc-macro/auxiliary/derive-unstable-2.rs b/src/test/compile-fail-fulldeps/proc-macro/auxiliary/derive-unstable-2.rs
index d8952e3478b..2d492d341eb 100644
--- a/src/test/compile-fail-fulldeps/proc-macro/auxiliary/derive-unstable-2.rs
+++ b/src/test/compile-fail-fulldeps/proc-macro/auxiliary/derive-unstable-2.rs
@@ -11,8 +11,6 @@
 // force-host
 // no-prefer-dynamic
 
-#![feature(proc_macro)]
-#![feature(proc_macro_lib)]
 #![crate_type = "proc-macro"]
 
 extern crate proc_macro;
diff --git a/src/test/compile-fail-fulldeps/proc-macro/auxiliary/derive-unstable.rs b/src/test/compile-fail-fulldeps/proc-macro/auxiliary/derive-unstable.rs
index 1187b5102e2..a7b5d1e3e54 100644
--- a/src/test/compile-fail-fulldeps/proc-macro/auxiliary/derive-unstable.rs
+++ b/src/test/compile-fail-fulldeps/proc-macro/auxiliary/derive-unstable.rs
@@ -11,8 +11,6 @@
 // force-host
 // no-prefer-dynamic
 
-#![feature(proc_macro)]
-#![feature(proc_macro_lib)]
 #![crate_type = "proc-macro"]
 
 extern crate proc_macro;
diff --git a/src/test/compile-fail-fulldeps/proc-macro/define-two.rs b/src/test/compile-fail-fulldeps/proc-macro/define-two.rs
index bdb3c09c4d7..87b32096d7b 100644
--- a/src/test/compile-fail-fulldeps/proc-macro/define-two.rs
+++ b/src/test/compile-fail-fulldeps/proc-macro/define-two.rs
@@ -11,7 +11,6 @@
 // no-prefer-dynamic
 
 #![crate_type = "proc-macro"]
-#![feature(proc_macro, proc_macro_lib)]
 
 extern crate proc_macro;
 
diff --git a/src/test/compile-fail-fulldeps/proc-macro/derive-bad.rs b/src/test/compile-fail-fulldeps/proc-macro/derive-bad.rs
index 4cc6b9f984c..0e4ac9fe1ea 100644
--- a/src/test/compile-fail-fulldeps/proc-macro/derive-bad.rs
+++ b/src/test/compile-fail-fulldeps/proc-macro/derive-bad.rs
@@ -10,8 +10,6 @@
 
 // aux-build:derive-bad.rs
 
-#![feature(proc_macro)]
-
 #[macro_use]
 extern crate derive_bad;
 
diff --git a/src/test/compile-fail-fulldeps/proc-macro/derive-still-gated.rs b/src/test/compile-fail-fulldeps/proc-macro/derive-still-gated.rs
index eb0bb00be91..f36236c5356 100644
--- a/src/test/compile-fail-fulldeps/proc-macro/derive-still-gated.rs
+++ b/src/test/compile-fail-fulldeps/proc-macro/derive-still-gated.rs
@@ -10,7 +10,6 @@
 
 // aux-build:derive-a.rs
 
-#![feature(proc_macro)]
 #![allow(warnings)]
 
 #[macro_use]
diff --git a/src/test/compile-fail-fulldeps/proc-macro/expand-to-unstable-2.rs b/src/test/compile-fail-fulldeps/proc-macro/expand-to-unstable-2.rs
index 4f4ed90f8fc..e4fcbb117a5 100644
--- a/src/test/compile-fail-fulldeps/proc-macro/expand-to-unstable-2.rs
+++ b/src/test/compile-fail-fulldeps/proc-macro/expand-to-unstable-2.rs
@@ -10,7 +10,6 @@
 
 // aux-build:derive-unstable-2.rs
 
-#![feature(proc_macro)]
 #![allow(warnings)]
 
 #[macro_use]
diff --git a/src/test/compile-fail-fulldeps/proc-macro/expand-to-unstable.rs b/src/test/compile-fail-fulldeps/proc-macro/expand-to-unstable.rs
index 84ac776a765..836e336fc22 100644
--- a/src/test/compile-fail-fulldeps/proc-macro/expand-to-unstable.rs
+++ b/src/test/compile-fail-fulldeps/proc-macro/expand-to-unstable.rs
@@ -10,7 +10,6 @@
 
 // aux-build:derive-unstable.rs
 
-#![feature(proc_macro)]
 #![allow(warnings)]
 
 #[macro_use]
diff --git a/src/test/compile-fail-fulldeps/proc-macro/export-macro.rs b/src/test/compile-fail-fulldeps/proc-macro/export-macro.rs
index 48b73e73331..477039bd7a2 100644
--- a/src/test/compile-fail-fulldeps/proc-macro/export-macro.rs
+++ b/src/test/compile-fail-fulldeps/proc-macro/export-macro.rs
@@ -11,7 +11,6 @@
 // error-pattern: cannot export macro_rules! macros from a `proc-macro` crate
 
 #![crate_type = "proc-macro"]
-#![feature(proc_macro)]
 
 #[macro_export]
 macro_rules! foo {
diff --git a/src/test/compile-fail-fulldeps/proc-macro/feature-gate-1.rs b/src/test/compile-fail-fulldeps/proc-macro/feature-gate-1.rs
deleted file mode 100644
index f5618fc6425..00000000000
--- a/src/test/compile-fail-fulldeps/proc-macro/feature-gate-1.rs
+++ /dev/null
@@ -1,13 +0,0 @@
-// 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.
-
-// error-pattern: the `proc-macro` crate type is experimental
-
-#![crate_type = "proc-macro"]
diff --git a/src/test/compile-fail-fulldeps/proc-macro/feature-gate-2.rs b/src/test/compile-fail-fulldeps/proc-macro/feature-gate-2.rs
deleted file mode 100644
index 9c4053266f4..00000000000
--- a/src/test/compile-fail-fulldeps/proc-macro/feature-gate-2.rs
+++ /dev/null
@@ -1,13 +0,0 @@
-// 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.
-
-extern crate proc_macro; //~ ERROR: use of unstable library feature
-
-fn main() {}
diff --git a/src/test/compile-fail-fulldeps/proc-macro/feature-gate-3.rs b/src/test/compile-fail-fulldeps/proc-macro/feature-gate-3.rs
deleted file mode 100644
index bb6b5759622..00000000000
--- a/src/test/compile-fail-fulldeps/proc-macro/feature-gate-3.rs
+++ /dev/null
@@ -1,15 +0,0 @@
-// 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.
-
-#![crate_type = "proc-macro"]
-
-#[proc_macro_derive(Foo)] //~ ERROR: is an experimental feature
-pub fn foo() {
-}
diff --git a/src/test/compile-fail-fulldeps/proc-macro/feature-gate-4.rs b/src/test/compile-fail-fulldeps/proc-macro/feature-gate-4.rs
deleted file mode 100644
index 6a8fcdf4ab7..00000000000
--- a/src/test/compile-fail-fulldeps/proc-macro/feature-gate-4.rs
+++ /dev/null
@@ -1,17 +0,0 @@
-// 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:derive-a.rs
-
-#[macro_use]
-extern crate derive_a;
-
-#[derive(A)] //~ ERROR custom derive macros are experimentally supported
-struct S;
diff --git a/src/test/compile-fail-fulldeps/proc-macro/feature-gate-5.rs b/src/test/compile-fail-fulldeps/proc-macro/feature-gate-5.rs
deleted file mode 100644
index 672579ce8f1..00000000000
--- a/src/test/compile-fail-fulldeps/proc-macro/feature-gate-5.rs
+++ /dev/null
@@ -1,12 +0,0 @@
-// 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.
-
-#[cfg(proc_macro)] //~ ERROR: experimental and subject to change
-fn foo() {}
diff --git a/src/test/compile-fail-fulldeps/proc-macro/illegal-proc-macro-derive-use.rs b/src/test/compile-fail-fulldeps/proc-macro/illegal-proc-macro-derive-use.rs
index 70c8db5ddd2..f37980c5e0f 100644
--- a/src/test/compile-fail-fulldeps/proc-macro/illegal-proc-macro-derive-use.rs
+++ b/src/test/compile-fail-fulldeps/proc-macro/illegal-proc-macro-derive-use.rs
@@ -8,8 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![feature(proc_macro, proc_macro_lib)]
-
 extern crate proc_macro;
 
 #[proc_macro_derive(Foo)]
diff --git a/src/test/compile-fail-fulldeps/proc-macro/import.rs b/src/test/compile-fail-fulldeps/proc-macro/import.rs
index 8f907183cc3..fae2439344f 100644
--- a/src/test/compile-fail-fulldeps/proc-macro/import.rs
+++ b/src/test/compile-fail-fulldeps/proc-macro/import.rs
@@ -10,7 +10,6 @@
 
 // aux-build:derive-a.rs
 
-#![feature(proc_macro)]
 #![allow(warnings)]
 
 #[macro_use]
diff --git a/src/test/compile-fail-fulldeps/proc-macro/issue-37788.rs b/src/test/compile-fail-fulldeps/proc-macro/issue-37788.rs
index 6d1030026db..691c2805801 100644
--- a/src/test/compile-fail-fulldeps/proc-macro/issue-37788.rs
+++ b/src/test/compile-fail-fulldeps/proc-macro/issue-37788.rs
@@ -10,8 +10,6 @@
 
 // aux-build:derive-a-b.rs
 
-#![feature(proc_macro)]
-
 #[macro_use]
 extern crate derive_a_b;
 
diff --git a/src/test/compile-fail-fulldeps/proc-macro/item-error.rs b/src/test/compile-fail-fulldeps/proc-macro/item-error.rs
index 2a68accf91f..4133e75e3a6 100644
--- a/src/test/compile-fail-fulldeps/proc-macro/item-error.rs
+++ b/src/test/compile-fail-fulldeps/proc-macro/item-error.rs
@@ -10,7 +10,6 @@
 
 // aux-build:derive-b.rs
 
-#![feature(proc_macro)]
 #![allow(warnings)]
 
 #[macro_use]
diff --git a/src/test/compile-fail-fulldeps/proc-macro/load-panic.rs b/src/test/compile-fail-fulldeps/proc-macro/load-panic.rs
index 39c27e82fa5..f9906b650fb 100644
--- a/src/test/compile-fail-fulldeps/proc-macro/load-panic.rs
+++ b/src/test/compile-fail-fulldeps/proc-macro/load-panic.rs
@@ -10,8 +10,6 @@
 
 // aux-build:derive-panic.rs
 
-#![feature(proc_macro)]
-
 #[macro_use]
 extern crate derive_panic;
 
diff --git a/src/test/compile-fail-fulldeps/proc-macro/proc-macro-attributes.rs b/src/test/compile-fail-fulldeps/proc-macro/proc-macro-attributes.rs
index 651a277d4ab..4ad1cf79d61 100644
--- a/src/test/compile-fail-fulldeps/proc-macro/proc-macro-attributes.rs
+++ b/src/test/compile-fail-fulldeps/proc-macro/proc-macro-attributes.rs
@@ -10,7 +10,6 @@
 
 // aux-build:derive-b.rs
 
-#![feature(proc_macro)]
 #![allow(warnings)]
 
 #[macro_use]
diff --git a/src/test/compile-fail-fulldeps/proc-macro/pub-at-crate-root.rs b/src/test/compile-fail-fulldeps/proc-macro/pub-at-crate-root.rs
index 2bf25892c44..238dde5160c 100644
--- a/src/test/compile-fail-fulldeps/proc-macro/pub-at-crate-root.rs
+++ b/src/test/compile-fail-fulldeps/proc-macro/pub-at-crate-root.rs
@@ -9,7 +9,6 @@
 // except according to those terms.
 
 #![crate_type = "proc-macro"]
-#![feature(proc_macro, proc_macro_lib)]
 
 extern crate proc_macro;
 
diff --git a/src/test/compile-fail-fulldeps/proc-macro/shadow-builtin.rs b/src/test/compile-fail-fulldeps/proc-macro/shadow-builtin.rs
index 1bcd4b15eb8..8c5affb7b5a 100644
--- a/src/test/compile-fail-fulldeps/proc-macro/shadow-builtin.rs
+++ b/src/test/compile-fail-fulldeps/proc-macro/shadow-builtin.rs
@@ -9,7 +9,6 @@
 // except according to those terms.
 
 #![crate_type = "proc-macro"]
-#![feature(proc_macro, proc_macro_lib)]
 
 extern crate proc_macro;
 
diff --git a/src/test/compile-fail-fulldeps/proc-macro/shadow.rs b/src/test/compile-fail-fulldeps/proc-macro/shadow.rs
index dc828fbf7d1..d76cf003ed1 100644
--- a/src/test/compile-fail-fulldeps/proc-macro/shadow.rs
+++ b/src/test/compile-fail-fulldeps/proc-macro/shadow.rs
@@ -10,8 +10,6 @@
 
 // aux-build:derive-a.rs
 
-#![feature(proc_macro)]
-
 #[macro_use]
 extern crate derive_a;
 #[macro_use]
diff --git a/src/test/compile-fail-fulldeps/proc-macro/signature.rs b/src/test/compile-fail-fulldeps/proc-macro/signature.rs
index b7df9489dff..6d6b5a23e94 100644
--- a/src/test/compile-fail-fulldeps/proc-macro/signature.rs
+++ b/src/test/compile-fail-fulldeps/proc-macro/signature.rs
@@ -9,7 +9,6 @@
 // except according to those terms.
 
 #![crate_type = "proc-macro"]
-#![feature(proc_macro, proc_macro_lib)]
 #![allow(warnings)]
 
 extern crate proc_macro;