Rollup merge of #118766 - compiler-errors:lower-spans, r=spastorino

Lower some forgotten spans

I wrote a HIR visitor that visited all of the spans in the HIR, and made it ICE when we have a unlowered span. That led me to discover these unlowered spans.

Author: GuillaumeGomez

compiler/rustc_ast_lowering/src/expr.rs

@@ -634,7 +634,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
         // Resume argument type: `ResumeTy`
         let unstable_span = self.mark_span_with_reason(
             DesugaringKind::Async,
-            span,
+            self.lower_span(span),
             Some(self.allow_gen_future.clone()),
         );
         let resume_ty = hir::QPath::LangItem(hir::LangItem::ResumeTy, unstable_span);
@@ -766,7 +766,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
         // Resume argument type: `ResumeTy`
         let unstable_span = self.mark_span_with_reason(
             DesugaringKind::Async,
-            span,
+            self.lower_span(span),
             Some(self.allow_gen_future.clone()),
         );
         let resume_ty = hir::QPath::LangItem(hir::LangItem::ResumeTy, unstable_span);

compiler/rustc_ast_lowering/src/item.rs

@@ -1382,6 +1382,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
         let host_param_parts = if let Const::Yes(span) = constness
             && self.tcx.features().effects
         {
+            let span = self.lower_span(span);
             let param_node_id = self.next_node_id();
             let hir_id = self.next_id();
             let def_id = self.create_def(

compiler/rustc_ast_lowering/src/lib.rs

@@ -1679,7 +1679,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
                     duplicated_lifetime_node_id,
                     lifetime.ident.name,
                     DefKind::LifetimeParam,
-                    lifetime.ident.span,
+                    self.lower_span(lifetime.ident.span),
                 );
                 captured_to_synthesized_mapping.insert(old_def_id, duplicated_lifetime_def_id);
                 // FIXME: Instead of doing this, we could move this whole loop
@@ -1688,7 +1688,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
                 synthesized_lifetime_definitions.push((
                     duplicated_lifetime_node_id,
                     duplicated_lifetime_def_id,
-                    lifetime.ident,
+                    self.lower_ident(lifetime.ident),
                 ));
 
                 // Now make an arg that we can use for the generic params of the opaque tykind.
@@ -2253,7 +2253,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
         match c.value.kind {
             ExprKind::Underscore => {
                 if self.tcx.features().generic_arg_infer {
-                    hir::ArrayLen::Infer(self.lower_node_id(c.id), c.value.span)
+                    hir::ArrayLen::Infer(self.lower_node_id(c.id), self.lower_span(c.value.span))
                 } else {
                     feature_err(
                         &self.tcx.sess.parse_sess,