Add rustdoc-ui test for doc(auto_cfg) and doc(no_auto_cfg) attributes

Author: GuillaumeGomez

src/librustdoc/visit_ast.rs

@@ -157,7 +157,7 @@ impl<'a, 'tcx> RustdocVisitor<'a, 'tcx> {
             .iter()
             .filter(|attr| attr.has_name(sym::doc))
             .flat_map(|attr| attr.meta_item_list().into_iter().flatten())
-            .find(|attr| attr.has_name(sym::auto_cfg) || attr.has_name(sym::auto_cfg))
+            .find(|attr| attr.has_name(sym::auto_cfg) || attr.has_name(sym::no_auto_cfg))
         {
             // If we find one of the two attributes, we update the default value of
             // `doc_auto_cfg_active`.

src/test/rustdoc-ui/doc_no_auto_cfg.rs

@@ -0,0 +1,13 @@
+// edition: 2021
+#![deny(warnings)]
+#![doc(no_auto_cfg)]
+/*#![doc(no_auto_cfg(1))] //~ ERROR
+#![doc(no_auto_cfg = 1)] //~ ERROR
+#![doc(auto_cfg(1))] //~ ERROR
+#![doc(auto_cfg = 1)] //~ ERROR
+
+#[doc(auto_cfg)] //~ ERROR
+//~^ WARN
+#[doc(no_auto_cfg)] //~ ERROR
+//~^ WARN
+pub struct Bar;*/

src/test/rustdoc-ui/doc_no_auto_cfg.stderr

@@ -0,0 +1,60 @@
+error: this attribute can only be applied at the crate level
+  --> $DIR/doc_no_auto_cfg.rs:9:7
+   |
+LL | #[doc(auto_cfg)]
+   |       ^^^^^^^^
+   |
+note: the lint level is defined here
+  --> $DIR/doc_no_auto_cfg.rs:2:9
+   |
+LL | #![deny(warnings)]
+   |         ^^^^^^^^
+   = note: `#[deny(invalid_doc_attributes)]` implied by `#[deny(warnings)]`
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
+   = note: read <https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#at-the-crate-level> for more information
+help: to apply to the crate, use an inner attribute
+   |
+LL | #![doc(auto_cfg)]
+   | ~~~~~~~~~~~~~~~~~
+
+error: this attribute can only be applied at the crate level
+  --> $DIR/doc_no_auto_cfg.rs:11:7
+   |
+LL | #[doc(no_auto_cfg)]
+   |       ^^^^^^^^^^^
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
+   = note: read <https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#at-the-crate-level> for more information
+help: to apply to the crate, use an inner attribute
+   |
+LL | #![doc(no_auto_cfg)]
+   | ~~~~~~~~~~~~~~~~~~~~
+
+error: `#![doc(no_auto_cfg)]` attribute doesn't expect a value
+  --> $DIR/doc_no_auto_cfg.rs:4:8
+   |
+LL | #![doc(no_auto_cfg(1))]
+   |        ^^^^^^^^^^^^^^
+
+error: `#![doc(no_auto_cfg)]` attribute doesn't expect a value
+  --> $DIR/doc_no_auto_cfg.rs:5:8
+   |
+LL | #![doc(no_auto_cfg = 1)]
+   |        ^^^^^^^^^^^^^^^
+
+error: `#![doc(auto_cfg)]` attribute doesn't expect a value
+  --> $DIR/doc_no_auto_cfg.rs:6:8
+   |
+LL | #![doc(auto_cfg(1))]
+   |        ^^^^^^^^^^^
+
+error: `#![doc(auto_cfg)]` attribute doesn't expect a value
+  --> $DIR/doc_no_auto_cfg.rs:7:8
+   |
+LL | #![doc(auto_cfg = 1)]
+   |        ^^^^^^^^^^^^
+
+error: aborting due to 6 previous errors
+

src/test/rustdoc/inline_local/please_inline.rs

@@ -14,6 +14,5 @@ pub mod a {
 pub mod b {
     // @hasraw - 'pub use foo::'
     // @!has please_inline/b/struct.Foo.html
-    #[feature(inline)]
     pub use foo::Foo;
 }