Merge pull request #18457 from lnicola/sync-from-rust

minor: Sync from downstream

3 files changed, 5 insertions, 2 deletions

diff --git a/compiler/rustc_parse/src/parser/diagnostics.rs b/compiler/rustc_parse/src/parser/diagnostics.rs
index a9384501547..a1fe5508970 100644
--- a/compiler/rustc_parse/src/parser/diagnostics.rs
+++ b/compiler/rustc_parse/src/parser/diagnostics.rs
@@ -14,6 +14,7 @@ use rustc_ast::{
 };
 use rustc_ast_pretty::pprust;
 use rustc_data_structures::fx::FxHashSet;
+use rustc_data_structures::sync::Lrc;
 use rustc_errors::{
     Applicability, Diag, DiagCtxtHandle, ErrorGuaranteed, FatalError, PErr, PResult, Subdiagnostic,
     Suggestions, pluralize,
@@ -2437,7 +2438,7 @@ impl<'a> Parser<'a> {
         let mut labels = vec![];
         while let TokenKind::Interpolated(nt) = &tok.kind {
             let tokens = nt.tokens();
-            labels.push(nt.clone());
+            labels.push(Lrc::clone(nt));
             if let Some(tokens) = tokens
                 && let tokens = tokens.to_attr_token_stream()
                 && let tokens = tokens.0.deref()
diff --git a/compiler/rustc_parse/src/parser/item.rs b/compiler/rustc_parse/src/parser/item.rs
index 36733726564..6b4e2d0f4e2 100644
--- a/compiler/rustc_parse/src/parser/item.rs
+++ b/compiler/rustc_parse/src/parser/item.rs
@@ -1194,6 +1194,7 @@ impl<'a> Parser<'a> {
         attrs: &mut AttrVec,
         mut safety: Safety,
     ) -> PResult<'a, ItemInfo> {
+        let extern_span = self.prev_token.uninterpolated_span();
         let abi = self.parse_abi(); // ABI?
         // FIXME: This recovery should be tested better.
         if safety == Safety::Default
@@ -1205,6 +1206,7 @@ impl<'a> Parser<'a> {
             let _ = self.eat_keyword(kw::Unsafe);
         }
         let module = ast::ForeignMod {
+            extern_span,
             safety,
             abi,
             items: self.parse_item_list(attrs, |p| p.parse_foreign_item(ForceCollect::No))?,
diff --git a/compiler/rustc_parse/src/parser/mod.rs b/compiler/rustc_parse/src/parser/mod.rs
index 77ad4fdeeb1..50a8b6542df 100644
--- a/compiler/rustc_parse/src/parser/mod.rs
+++ b/compiler/rustc_parse/src/parser/mod.rs
@@ -424,7 +424,7 @@ impl TokenDescription {
     }
 }
 
-pub(super) fn token_descr(token: &Token) -> String {
+pub fn token_descr(token: &Token) -> String {
     let name = pprust::token_to_string(token).to_string();
 
     let kind = match (TokenDescription::from_token(token), &token.kind) {