add span to struct pattern rest (..)

3 files changed, 9 insertions, 8 deletions

diff --git a/compiler/rustc_ast_lowering/src/expr.rs b/compiler/rustc_ast_lowering/src/expr.rs
index cbd17d66b75..3674814b796 100644
--- a/compiler/rustc_ast_lowering/src/expr.rs
+++ b/compiler/rustc_ast_lowering/src/expr.rs
@@ -1434,10 +1434,10 @@ impl<'hir> LoweringContext<'_, 'hir> {
                         self.dcx().emit_err(FunctionalRecordUpdateDestructuringAssignment {
                             span: e.span,
                         });
-                        true
+                        Some(self.lower_span(e.span))
                     }
-                    StructRest::Rest(_) => true,
-                    StructRest::None => false,
+                    StructRest::Rest(span) => Some(self.lower_span(*span)),
+                    StructRest::None => None,
                 };
                 let struct_pat = hir::PatKind::Struct(qpath, field_pats, fields_omitted);
                 return self.pat_without_dbm(lhs.span, struct_pat);
diff --git a/compiler/rustc_ast_lowering/src/lib.rs b/compiler/rustc_ast_lowering/src/lib.rs
index 70595391b85..137207bde1f 100644
--- a/compiler/rustc_ast_lowering/src/lib.rs
+++ b/compiler/rustc_ast_lowering/src/lib.rs
@@ -2508,7 +2508,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
         fields: &'hir [hir::PatField<'hir>],
     ) -> &'hir hir::Pat<'hir> {
         let qpath = hir::QPath::LangItem(lang_item, self.lower_span(span));
-        self.pat(span, hir::PatKind::Struct(qpath, fields, false))
+        self.pat(span, hir::PatKind::Struct(qpath, fields, None))
     }
 
     fn pat_ident(&mut self, span: Span, ident: Ident) -> (&'hir hir::Pat<'hir>, HirId) {
diff --git a/compiler/rustc_ast_lowering/src/pat.rs b/compiler/rustc_ast_lowering/src/pat.rs
index b8f86247875..ed159f37051 100644
--- a/compiler/rustc_ast_lowering/src/pat.rs
+++ b/compiler/rustc_ast_lowering/src/pat.rs
@@ -106,10 +106,11 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
                         break hir::PatKind::Struct(
                             qpath,
                             fs,
-                            matches!(
-                                etc,
-                                ast::PatFieldsRest::Rest | ast::PatFieldsRest::Recovered(_)
-                            ),
+                            match etc {
+                                ast::PatFieldsRest::Rest(sp) => Some(self.lower_span(*sp)),
+                                ast::PatFieldsRest::Recovered(_) => Some(Span::default()),
+                                _ => None,
+                            },
                         );
                     }
                     PatKind::Tuple(pats) => {