Auto merge of #145074 - tgross35:rollup-0tillrm, r=tgross35

Rollup of 9 pull requests

Successful merges:

 - rust-lang/rust#144705 (compiler-builtins: plumb LSE support for aarch64 on linux/gnu when optimized-compiler-builtins not enabled)
 - rust-lang/rust#144857 (Port `#[allow_internal_unsafe]` to the new attribute system)
 - rust-lang/rust#144900 (Stabilize `unsigned_signed_diff` feature)
 - rust-lang/rust#144903 (Rename `begin_panic_handler` to `panic_handler`)
 - rust-lang/rust#144974 (compiler-builtins subtree update)
 - rust-lang/rust#145007 (Fix build/doc/test of error index generator)
 - rust-lang/rust#145018 (Derive `Hash` for rustc_public types)
 - rust-lang/rust#145045 (doc(library): Fix Markdown in `Iterator::by_ref`)
 - rust-lang/rust#145046 (Fix doc comment of File::try_lock and File::try_lock_shared)

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

1 files changed, 12 insertions, 1 deletions

diff --git a/compiler/rustc_lint/src/builtin.rs b/compiler/rustc_lint/src/builtin.rs
index c893b723375..51b10191046 100644
--- a/compiler/rustc_lint/src/builtin.rs
+++ b/compiler/rustc_lint/src/builtin.rs
@@ -14,6 +14,7 @@
 //! [`crate::late_lint_methods!`] invocation in `lib.rs`.
 
 use std::fmt::Write;
+use std::slice;
 
 use ast::token::TokenKind;
 use rustc_abi::BackendRepr;
@@ -21,6 +22,7 @@ use rustc_ast::tokenstream::{TokenStream, TokenTree};
 use rustc_ast::visit::{FnCtxt, FnKind};
 use rustc_ast::{self as ast, *};
 use rustc_ast_pretty::pprust::expr_to_string;
+use rustc_attr_parsing::AttributeParser;
 use rustc_errors::{Applicability, LintDiagnostic};
 use rustc_feature::GateIssue;
 use rustc_hir as hir;
@@ -249,7 +251,16 @@ impl UnsafeCode {
 
 impl EarlyLintPass for UnsafeCode {
     fn check_attribute(&mut self, cx: &EarlyContext<'_>, attr: &ast::Attribute) {
-        if attr.has_name(sym::allow_internal_unsafe) {
+        if AttributeParser::parse_limited(
+            cx.builder.sess(),
+            slice::from_ref(attr),
+            sym::allow_internal_unsafe,
+            attr.span,
+            DUMMY_NODE_ID,
+            Some(cx.builder.features()),
+        )
+        .is_some()
+        {
             self.report_unsafe(cx, attr.span, BuiltinUnsafe::AllowInternalUnsafe);
         }
     }