Auto merge of #87133 - GuillaumeGomez:rollup-pfz9jbk, r=GuillaumeGomez

Rollup of 6 pull requests

Successful merges:

 - #87027 (expand: Support helper attributes for built-in derive macros)
 - #87056 (Fix codeblocks overflow)
 - #87117 (Shrink the CrateStore dynamic interface.)
 - #87120 (rustdoc: Remove unnecessary `extern crate` aliases)
 - #87125 (Fix Ayu theme `<code>` color)
 - #87130 (Update browser-ui-test package version)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup

src/test/rustdoc-gui/ayu-code-tag-colors.goml

@@ -0,0 +1,13 @@
+// The ayu theme has a different color for the "<code>" tags in the doc blocks. We need to
+// check that the rule isn't applied on other "<code>" elements.
+goto: file://|DOC_PATH|/test_docs/enum.AnEnum.html
+// We need to show the text, otherwise the colors aren't "computed" by the web browser.
+show-text: true
+// We set the theme to ayu.
+local-storage: {"rustdoc-theme": "ayu", "rustdoc-preferred-dark-theme": "ayu", "rustdoc-use-system-theme": "false"}
+// We reload to get the text appearing and the theme applied.
+reload:
+
+assert-css: (".docblock code", {"color": "rgb(255, 180, 84)"}, ALL)
+// It includes variants and the "titles" as well (for example: "impl RefUnwindSafe for AnEnum").
+assert-css: ("div:not(.docblock) > code", {"color": "rgb(197, 197, 197)"}, ALL)

src/test/rustdoc-gui/code-blocks-overflow.goml

@@ -0,0 +1,8 @@
+// This test ensures that codeblocks content don't overflow.
+goto: file://|DOC_PATH|/lib2/sub_mod/struct.Foo.html
+size: (1080, 600)
+// There should be two codeblocks: a rust one and a non-rust one.
+assert-count: (".docblock > .example-wrap", 2)
+assert: ".docblock > .example-wrap > .language-txt"
+assert: ".docblock > .example-wrap > .rust-example-rendered"
+assert-css: (".docblock > .example-wrap > pre", {"width": "796px", "overflow-x": "auto"}, ALL)

src/test/rustdoc-gui/src/lib2/lib.rs

@@ -1,3 +1,5 @@
+// ignore-tidy-linelength
+
 pub mod module {
     pub mod sub_module {
         pub mod sub_sub_module {
@@ -32,4 +34,16 @@ impl Trait for Foo {
     const Y: u32 = 0;
 }
 
+
 impl implementors::Whatever for Foo {}
+
+pub mod sub_mod {
+    /// ```txt
+    /// aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+    /// ```
+    ///
+    /// ```
+    /// aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+    /// ```
+    pub struct Foo;
+}

src/test/rustdoc-gui/src/test_docs/lib.rs

@@ -96,6 +96,7 @@ pub fn check_list_code_block() {}
 #[doc(cfg(unix))]
 pub fn replaced_function() {}
 
+/// Some doc with `code`!
 pub enum AnEnum {
     WithVariants { and: usize, sub: usize, variants: usize },
 }

src/test/ui/deriving/deriving-with-helper.rs

@@ -0,0 +1,36 @@
+// check-pass
+// compile-flags: --crate-type=lib
+
+#![feature(decl_macro)]
+#![feature(lang_items)]
+#![feature(no_core)]
+#![feature(rustc_attrs)]
+
+#![no_core]
+
+#[rustc_builtin_macro]
+macro derive() {}
+
+#[rustc_builtin_macro(Default, attributes(default))]
+macro Default() {}
+
+mod default {
+    pub trait Default {
+        fn default() -> Self;
+    }
+
+    impl Default for u8 {
+        fn default() -> u8 {
+            0
+        }
+    }
+}
+
+#[lang = "sized"]
+trait Sized {}
+
+#[derive(Default)]
+struct S {
+    #[default] // OK
+    field: u8,
+}