2 files changed, 9 insertions, 1 deletions
diff --git a/compiler/rustc_interface/src/interface.rs b/compiler/rustc_interface/src/interface.rs
index 3f87b1a547b..33b4a48b28d 100644
--- a/compiler/rustc_interface/src/interface.rs
+++ b/compiler/rustc_interface/src/interface.rs
@@ -204,6 +204,14 @@ pub(crate) fn parse_check_cfg(dcx: DiagCtxtHandle<'_>, specs: Vec<String>) -> Ch
                     error!("`cfg()` names cannot be after values");
                 }
                 names.push(ident);
+            } else if let Some(boolean) = arg.boolean_literal() {
+                if values_specified {
+                    error!("`cfg()` names cannot be after values");
+                }
+                names.push(rustc_span::Ident::new(
+                    if boolean { rustc_span::kw::True } else { rustc_span::kw::False },
+                    arg.span(),
+                ));
             } else if arg.has_name(sym::any)
                 && let Some(args) = arg.meta_item_list()
             {
diff --git a/compiler/rustc_interface/src/passes.rs b/compiler/rustc_interface/src/passes.rs
index 93013c8b3f6..747e36b6a1a 100644
--- a/compiler/rustc_interface/src/passes.rs
+++ b/compiler/rustc_interface/src/passes.rs
@@ -976,7 +976,7 @@ fn run_required_analyses(tcx: TyCtxt<'_>) {
         tcx.par_hir_body_owners(|def_id| {
             if tcx.is_coroutine(def_id.to_def_id()) {
                 tcx.ensure_ok().mir_coroutine_witnesses(def_id);
-                tcx.ensure_ok().check_coroutine_obligations(
+                let _ = tcx.ensure_ok().check_coroutine_obligations(
                     tcx.typeck_root_def_id(def_id.to_def_id()).expect_local(),
                 );
                 // Eagerly check the unsubstituted layout for cycles.