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-rw-r--r--compiler/rustc_interface/src/passes.rs2
1 files changed, 1 insertions, 1 deletions
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.