From b5069da9df85b8f374a3fd59c2145396e374537d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Le=C3=B3n=20Orell=20Valerian=20Liehr?= <me@fmease.dev>
Date: Wed, 19 Mar 2025 22:44:19 +0100
Subject: [PATCH] Check attrs: Don't try to retrieve the name of list stems

---
 compiler/rustc_passes/src/check_attr.rs          |  3 +--
 tests/ui/rustdoc/doc-alias-use-item-list-stem.rs | 11 +++++++++++
 2 files changed, 12 insertions(+), 2 deletions(-)
 create mode 100644 tests/ui/rustdoc/doc-alias-use-item-list-stem.rs

diff --git a/compiler/rustc_passes/src/check_attr.rs b/compiler/rustc_passes/src/check_attr.rs
index d1917f39c07f7..bba172ce14421 100644
--- a/compiler/rustc_passes/src/check_attr.rs
+++ b/compiler/rustc_passes/src/check_attr.rs
@@ -952,8 +952,7 @@ impl<'tcx> CheckAttrVisitor<'tcx> {
             tcx.dcx().emit_err(errors::DocAliasBadLocation { span, attr_str, location });
             return;
         }
-        let item_name = self.tcx.hir_name(hir_id);
-        if item_name == doc_alias {
+        if self.tcx.hir_opt_name(hir_id) == Some(doc_alias) {
             tcx.dcx().emit_err(errors::DocAliasNotAnAlias { span, attr_str });
             return;
         }
diff --git a/tests/ui/rustdoc/doc-alias-use-item-list-stem.rs b/tests/ui/rustdoc/doc-alias-use-item-list-stem.rs
new file mode 100644
index 0000000000000..ef310843e2136
--- /dev/null
+++ b/tests/ui/rustdoc/doc-alias-use-item-list-stem.rs
@@ -0,0 +1,11 @@
+// Check that we don't ICE on `#[doc(alias)]`es placed on use items with list stems.
+// issue: <https://github.com/rust-lang/rust/issues/138723>
+//@ check-pass
+
+#[doc(alias = "empty")]
+pub use {};
+
+#[doc(alias = "id")]
+pub use {std::convert::identity};
+
+fn main() {}