Fix stability annotations for already stable bits of proc macro API 1.1

Remove unnecessary proc-macro-related `feature`s

src/libproc_macro/lib.rs

@@ -73,9 +73,9 @@ use syntax_pos::hygiene::Mark;
 #[derive(Clone)]
 pub struct TokenStream(tokenstream::TokenStream);
 
-#[unstable(feature = "proc_macro", issue = "38356")]
+#[stable(feature = "proc_macro_lib", since = "1.15.0")]
 impl !Send for TokenStream {}
-#[unstable(feature = "proc_macro", issue = "38356")]
+#[stable(feature = "proc_macro_lib", since = "1.15.0")]
 impl !Sync for TokenStream {}
 
 /// Error returned from `TokenStream::from_str`.
@@ -85,9 +85,9 @@ pub struct LexError {
     _inner: (),
 }
 
-#[unstable(feature = "proc_macro", issue = "38356")]
+#[stable(feature = "proc_macro_lib", since = "1.15.0")]
 impl !Send for LexError {}
-#[unstable(feature = "proc_macro", issue = "38356")]
+#[stable(feature = "proc_macro_lib", since = "1.15.0")]
 impl !Sync for LexError {}
 
 impl TokenStream {
@@ -167,7 +167,7 @@ impl iter::FromIterator<TokenTree> for TokenStream {
 
 /// A "flattening" operation on token streams, collects token trees
 /// from multiple token streams into a single stream.
-#[unstable(feature = "proc_macro", issue = "38356")]
+#[stable(feature = "proc_macro_lib", since = "1.15.0")]
 impl iter::FromIterator<TokenStream> for TokenStream {
     fn from_iter<I: IntoIterator<Item = TokenStream>>(streams: I) -> Self {
         let mut builder = tokenstream::TokenStreamBuilder::new();

src/test/compile-fail-fulldeps/proc-macro/auxiliary/issue_38586.rs

@@ -11,7 +11,6 @@
 // force-host
 // no-prefer-dynamic
 
-#![feature(proc_macro, proc_macro_lib)]
 #![crate_type = "proc-macro"]
 
 extern crate proc_macro;

src/test/compile-fail-fulldeps/proc-macro/issue-38586.rs

@@ -11,8 +11,6 @@
 // aux-build:issue_38586.rs
 // ignore-stage1
 
-#![feature(proc_macro)]
-
 #[macro_use]
 extern crate issue_38586;
 

src/test/compile-fail-fulldeps/proc-macro/lints_in_proc_macros.rs

@@ -11,7 +11,7 @@
 // aux-build:bang_proc_macro2.rs
 // ignore-stage1
 
-#![feature(proc_macro, proc_macro_non_items)]
+#![feature(use_extern_macros, proc_macro_non_items)]
 #![allow(unused_macros)]
 
 extern crate bang_proc_macro2;

src/test/compile-fail-fulldeps/proc-macro/macro-use-bang.rs

@@ -10,7 +10,7 @@
 
 // aux-build:bang_proc_macro.rs
 
-#![feature(proc_macro, proc_macro_non_items)]
+#![feature(proc_macro_non_items)]
 
 #[macro_use]
 extern crate bang_proc_macro;

src/test/compile-fail-fulldeps/proc-macro/proc-macro-gates2.rs

@@ -10,7 +10,7 @@
 
 // aux-build:proc-macro-gates.rs
 
-#![feature(proc_macro, stmt_expr_attributes)]
+#![feature(use_extern_macros, stmt_expr_attributes)]
 
 extern crate proc_macro_gates as foo;
 

src/test/run-pass-fulldeps/auxiliary/cond_plugin.rs

@@ -33,7 +33,7 @@ pub fn cond(input: TokenStream) -> TokenStream {
             panic!("Invalid macro usage in cond: {}", cond);
         }
         let is_else = match test {
-            TokenTree::Ident(word) => &*word.to_string() == "else",
+            TokenTree::Ident(ref word) => &*word.to_string() == "else",
             _ => false,
         };
         conds.push(if is_else || input.peek().is_none() {

src/test/run-pass-fulldeps/auxiliary/hello_macro.rs

@@ -11,7 +11,7 @@
 // no-prefer-dynamic
 
 #![crate_type = "proc-macro"]
-#![feature(proc_macro, proc_macro_lib, proc_macro_non_items)]
+#![feature(proc_macro, proc_macro_non_items)]
 
 extern crate proc_macro;
 

src/test/run-pass-fulldeps/auxiliary/proc_macro_def.rs

@@ -11,7 +11,7 @@
 // no-prefer-dynamic
 
 #![crate_type = "proc-macro"]
-#![feature(proc_macro, proc_macro_lib, proc_macro_non_items)]
+#![feature(proc_macro, proc_macro_non_items)]
 
 extern crate proc_macro;
 

src/test/run-pass-fulldeps/macro-quote-cond.rs

@@ -11,7 +11,7 @@
 // aux-build:cond_plugin.rs
 // ignore-stage1
 
-#![feature(proc_macro, proc_macro_non_items)]
+#![feature(use_extern_macros, proc_macro_non_items)]
 
 extern crate cond_plugin;
 

src/test/run-pass-fulldeps/macro-quote-test.rs

@@ -13,7 +13,7 @@
 // aux-build:hello_macro.rs
 // ignore-stage1
 
-#![feature(proc_macro, proc_macro_non_items)]
+#![feature(use_extern_macros, proc_macro_non_items)]
 
 extern crate hello_macro;
 

src/test/run-pass-fulldeps/proc-macro/auxiliary/derive-attr-cfg.rs

@@ -9,7 +9,7 @@
 // except according to those terms.
 
 // no-prefer-dynamic
-#![feature(proc_macro)]
+
 #![crate_type = "proc-macro"]
 
 extern crate proc_macro;

src/test/run-pass-fulldeps/proc-macro/auxiliary/hygiene_example.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![feature(proc_macro)]
+#![feature(use_extern_macros)]
 
 extern crate hygiene_example_codegen;
 

src/test/run-pass-fulldeps/proc-macro/bang-macro.rs

@@ -11,7 +11,7 @@
 // aux-build:bang-macro.rs
 // ignore-stage1
 
-#![feature(proc_macro, proc_macro_non_items)]
+#![feature(use_extern_macros, proc_macro_non_items)]
 
 extern crate bang_macro;
 use bang_macro::rewrite;

src/test/run-pass-fulldeps/proc-macro/count_compound_ops.rs

@@ -11,7 +11,7 @@
 // aux-build:count_compound_ops.rs
 // ignore-stage1
 
-#![feature(proc_macro, proc_macro_non_items)]
+#![feature(use_extern_macros, proc_macro_non_items)]
 
 extern crate count_compound_ops;
 use count_compound_ops::count_compound_ops;

src/test/run-pass-fulldeps/proc-macro/derive-attr-cfg.rs

@@ -11,7 +11,7 @@
 // aux-build:derive-attr-cfg.rs
 // ignore-stage1
 
-#![feature(proc_macro)]
+#![feature(use_extern_macros)]
 
 extern crate derive_attr_cfg;
 use derive_attr_cfg::Foo;

src/test/run-pass-fulldeps/proc-macro/hygiene_example.rs

@@ -12,7 +12,7 @@
 // aux-build:hygiene_example.rs
 // ignore-stage1
 
-#![feature(proc_macro, proc_macro_non_items)]
+#![feature(use_extern_macros, proc_macro_non_items)]
 
 extern crate hygiene_example;
 use hygiene_example::hello;

src/test/run-pass-fulldeps/proc-macro/issue-39889.rs

@@ -11,7 +11,7 @@
 // aux-build:issue-39889.rs
 // ignore-stage1
 
-#![feature(proc_macro)]
+#![feature(use_extern_macros)]
 #![allow(unused)]
 
 extern crate issue_39889;

src/test/run-pass-fulldeps/proc-macro/issue-40001.rs

@@ -11,7 +11,7 @@
 // aux-build:issue-40001-plugin.rs
 // ignore-stage1
 
-#![feature(proc_macro, plugin)]
+#![feature(plugin)]
 #![plugin(issue_40001_plugin)]
 
 #[whitelisted_attr]

src/test/run-pass-fulldeps/proc-macro/negative-token.rs

@@ -11,7 +11,7 @@
 // aux-build:negative-token.rs
 // ignore-stage1
 
-#![feature(proc_macro, proc_macro_non_items)]
+#![feature(proc_macro_non_items)]
 
 extern crate negative_token;
 

src/test/run-pass-fulldeps/proc-macro/span-api-tests.rs

@@ -13,7 +13,7 @@
 
 // ignore-pretty
 
-#![feature(proc_macro)]
+#![feature(use_extern_macros)]
 
 #[macro_use]
 extern crate span_test_macros;

src/test/ui-fulldeps/custom-derive/auxiliary/plugin.rs

@@ -11,7 +11,6 @@
 // no-prefer-dynamic
 
 #![crate_type = "proc-macro"]
-#![feature(proc_macro, proc_macro_lib)]
 
 extern crate proc_macro;
 

src/test/ui-fulldeps/custom-derive/issue-36935.rs

@@ -11,8 +11,6 @@
 // aux-build:plugin.rs
 // ignore-stage1
 
-#![feature(proc_macro)]
-
 #[macro_use] extern crate plugin;
 
 #[derive(Foo, Bar)] //~ ERROR proc-macro derive panicked

src/test/ui-fulldeps/custom-derive/issue-36935.stderr

@@ -1,5 +1,5 @@
 error: proc-macro derive panicked
-  --> $DIR/issue-36935.rs:18:15
+  --> $DIR/issue-36935.rs:16:15
    |
 LL | #[derive(Foo, Bar)] //~ ERROR proc-macro derive panicked
    |               ^^^

src/test/ui-fulldeps/invalid-punct-ident-1.rs

@@ -9,7 +9,7 @@
 // except according to those terms.
 
 // aux-build:invalid-punct-ident.rs
-#![feature(proc_macro)]
+
 #[macro_use]
 extern crate invalid_punct_ident;
 

src/test/ui-fulldeps/invalid-punct-ident-2.rs

@@ -9,7 +9,7 @@
 // except according to those terms.
 
 // aux-build:invalid-punct-ident.rs
-#![feature(proc_macro)]
+
 #[macro_use]
 extern crate invalid_punct_ident;
 

src/test/ui-fulldeps/invalid-punct-ident-3.rs

@@ -9,7 +9,7 @@
 // except according to those terms.
 
 // aux-build:invalid-punct-ident.rs
-#![feature(proc_macro)]
+
 #[macro_use]
 extern crate invalid_punct_ident;
 

src/test/ui-fulldeps/invalid-punct-ident-4.rs

@@ -9,7 +9,7 @@
 // except according to those terms.
 
 // aux-build:invalid-punct-ident.rs
-#![feature(proc_macro)]
+
 #[macro_use]
 extern crate invalid_punct_ident;
 

src/test/ui-fulldeps/proc-macro/auxiliary/three-equals.rs

@@ -27,7 +27,7 @@ fn parse(input: TokenStream) -> Result<(), Diagnostic> {
                            .help("input must be: `===`"))
         }
 
-        if let TokenTree::Punct(tt) = tree {
+        if let TokenTree::Punct(ref tt) = tree {
             if tt.as_char() == '=' {
                 count += 1;
                 last_span = span;

src/test/ui-fulldeps/proc-macro/parent-source-spans.rs

@@ -11,7 +11,7 @@
 // aux-build:parent-source-spans.rs
 // ignore-stage1
 
-#![feature(proc_macro, decl_macro, proc_macro_non_items)]
+#![feature(use_extern_macros, decl_macro, proc_macro_non_items)]
 
 extern crate parent_source_spans;
 

src/test/ui-fulldeps/proc-macro/three-equals.rs

@@ -11,7 +11,7 @@
 // aux-build:three-equals.rs
 // ignore-stage1
 
-#![feature(proc_macro, proc_macro_non_items)]
+#![feature(use_extern_macros, proc_macro_non_items)]
 
 extern crate three_equals;
 

src/test/ui-fulldeps/resolve-error.rs

@@ -14,7 +14,6 @@
 // aux-build:bang_proc_macro.rs
 
 #![feature(proc_macro)]
-#![allow(unused_macros)]
 
 #[macro_use]
 extern crate derive_foo;

src/test/ui-fulldeps/resolve-error.stderr

@@ -1,59 +1,59 @@
 error: cannot find derive macro `FooWithLongNan` in this scope
-  --> $DIR/resolve-error.rs:37:10
+  --> $DIR/resolve-error.rs:36:10
    |
 LL | #[derive(FooWithLongNan)]
    |          ^^^^^^^^^^^^^^ help: try: `FooWithLongName`
 
 error: cannot find attribute macro `attr_proc_macra` in this scope
-  --> $DIR/resolve-error.rs:41:3
+  --> $DIR/resolve-error.rs:40:3
    |
 LL | #[attr_proc_macra]
    |   ^^^^^^^^^^^^^^^ help: try: `attr_proc_macro`
 
 error: cannot find attribute macro `FooWithLongNan` in this scope
-  --> $DIR/resolve-error.rs:45:3
+  --> $DIR/resolve-error.rs:44:3
    |
 LL | #[FooWithLongNan]
    |   ^^^^^^^^^^^^^^
 
 error: cannot find derive macro `Dlone` in this scope
-  --> $DIR/resolve-error.rs:49:10
+  --> $DIR/resolve-error.rs:48:10
    |
 LL | #[derive(Dlone)]
    |          ^^^^^ help: try: `Clone`
 
 error: cannot find derive macro `Dlona` in this scope
-  --> $DIR/resolve-error.rs:53:10
+  --> $DIR/resolve-error.rs:52:10
    |
 LL | #[derive(Dlona)]
    |          ^^^^^ help: try: `Clona`
 
 error: cannot find derive macro `attr_proc_macra` in this scope
-  --> $DIR/resolve-error.rs:57:10
+  --> $DIR/resolve-error.rs:56:10
    |
 LL | #[derive(attr_proc_macra)]
    |          ^^^^^^^^^^^^^^^
 
 error: cannot find macro `FooWithLongNama!` in this scope
-  --> $DIR/resolve-error.rs:62:5
+  --> $DIR/resolve-error.rs:61:5
    |
 LL |     FooWithLongNama!();
    |     ^^^^^^^^^^^^^^^ help: you could try the macro: `FooWithLongNam`
 
 error: cannot find macro `attr_proc_macra!` in this scope
-  --> $DIR/resolve-error.rs:65:5
+  --> $DIR/resolve-error.rs:64:5
    |
 LL |     attr_proc_macra!();
    |     ^^^^^^^^^^^^^^^ help: you could try the macro: `attr_proc_mac`
 
 error: cannot find macro `Dlona!` in this scope
-  --> $DIR/resolve-error.rs:68:5
+  --> $DIR/resolve-error.rs:67:5
    |
 LL |     Dlona!();
    |     ^^^^^
 
 error: cannot find macro `bang_proc_macrp!` in this scope
-  --> $DIR/resolve-error.rs:71:5
+  --> $DIR/resolve-error.rs:70:5
    |
 LL |     bang_proc_macrp!();
    |     ^^^^^^^^^^^^^^^ help: you could try the macro: `bang_proc_macro`