Auto merge of #86806 - GuillaumeGomez:rollup-pr5r37w, r=GuillaumeGomez

Rollup of 5 pull requests

Successful merges:

 - #85749 (Revert "Don't load all extern crates unconditionally")
 - #86714 (Add linked list cursor end methods)
 - #86737 (Document rustfmt on nightly-rustc)
 - #86776 (Skip layout query when computing integer type size during mangling)
 - #86797 (Stabilize `Bound::cloned()`)

Failed merges:

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

4 files changed, 12 insertions, 20 deletions

diff --git a/src/test/rustdoc-ui/auxiliary/panic-item.rs b/src/test/rustdoc-ui/auxiliary/panic-item.rs
deleted file mode 100644
index 17b26850d4d..00000000000
--- a/src/test/rustdoc-ui/auxiliary/panic-item.rs
+++ /dev/null
@@ -1,17 +0,0 @@
-// no-prefer-dynamic
-#![crate_type = "lib"]
-#![no_std]
-#![feature(lang_items)]
-
-use core::panic::PanicInfo;
-use core::sync::atomic::{self, Ordering};
-
-#[panic_handler]
-fn panic(_info: &PanicInfo) -> ! {
-    loop {
-        atomic::compiler_fence(Ordering::SeqCst);
-    }
-}
-
-#[lang = "eh_personality"]
-fn foo() {}
diff --git a/src/test/rustdoc-ui/unused-extern-crate.rs b/src/test/rustdoc-ui/unused-extern-crate.rs
deleted file mode 100644
index f703a183790..00000000000
--- a/src/test/rustdoc-ui/unused-extern-crate.rs
+++ /dev/null
@@ -1,3 +0,0 @@
-// check-pass
-// aux-crate:panic_item=panic-item.rs
-// @has unused_extern_crate/index.html
diff --git a/src/test/rustdoc/auxiliary/issue-66159-1.rs b/src/test/rustdoc/auxiliary/issue-66159-1.rs
new file mode 100644
index 00000000000..2f3d069bd51
--- /dev/null
+++ b/src/test/rustdoc/auxiliary/issue-66159-1.rs
@@ -0,0 +1,2 @@
+/// This will be referred to by the test docstring
+pub struct Something;
diff --git a/src/test/rustdoc/issue-66159.rs b/src/test/rustdoc/issue-66159.rs
new file mode 100644
index 00000000000..003d079a470
--- /dev/null
+++ b/src/test/rustdoc/issue-66159.rs
@@ -0,0 +1,10 @@
+// aux-crate:priv:issue_66159_1=issue-66159-1.rs
+// compile-flags:-Z unstable-options
+
+// The issue was an ICE which meant that we never actually generated the docs
+// so if we have generated the docs, we're okay.
+// Since we don't generate the docs for the auxiliary files, we can't actually
+// verify that the struct is linked correctly.
+
+// @has issue_66159/index.html
+//! [issue_66159_1::Something]