Auto merge of rust-lang#77102 - Dylan-DPC:rollup-2jfrg3u, r=Dylan-DPC

Rollup of 9 pull requests

Successful merges:

 - rust-lang#76898 (Record `tcx.def_span` instead of `item.span` in crate metadata)
 - rust-lang#76939 (emit errors during AbstractConst building)
 - rust-lang#76965 (Add cfg(target_has_atomic_equal_alignment) and use it for Atomic::from_mut.)
 - rust-lang#76993 (Changing the alloc() to accept &self instead of &mut self)
 - rust-lang#76994 (fix small typo in docs and comments)
 - rust-lang#77017 (Add missing examples on Vec iter types)
 - rust-lang#77042 (Improve documentation for ToSocketAddrs)
 - rust-lang#77047 (Miri: more informative deallocation error messages)
 - rust-lang#77055 (Add #[track_caller] to more panicking Cell functions)

Failed merges:

r? `@ghost`

Author: bors

compiler/rustc_feature/src/builtin_attrs.rs

@@ -26,6 +26,11 @@ const GATED_CFGS: &[GatedCfg] = &[
     (sym::target_thread_local, sym::cfg_target_thread_local, cfg_fn!(cfg_target_thread_local)),
     (sym::target_has_atomic, sym::cfg_target_has_atomic, cfg_fn!(cfg_target_has_atomic)),
     (sym::target_has_atomic_load_store, sym::cfg_target_has_atomic, cfg_fn!(cfg_target_has_atomic)),
+    (
+        sym::target_has_atomic_equal_alignment,
+        sym::cfg_target_has_atomic,
+        cfg_fn!(cfg_target_has_atomic),
+    ),
     (sym::sanitize, sym::cfg_sanitize, cfg_fn!(cfg_sanitize)),
     (sym::version, sym::cfg_version, cfg_fn!(cfg_version)),
 ];

compiler/rustc_lint/src/types.rs

@@ -733,7 +733,7 @@ fn get_nullable_type<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> Option<Ty<'t
 }
 
 /// Check if this enum can be safely exported based on the "nullable pointer optimization". If it
-/// can, return the the type that `ty` can be safely converted to, otherwise return `None`.
+/// can, return the type that `ty` can be safely converted to, otherwise return `None`.
 /// Currently restricted to function pointers, boxes, references, `core::num::NonZero*`,
 /// `core::ptr::NonNull`, and `#[repr(transparent)]` newtypes.
 /// FIXME: This duplicates code in codegen.