1 files changed, 9 insertions, 0 deletions
diff --git a/compiler/rustc_interface/src/passes.rs b/compiler/rustc_interface/src/passes.rs
index 37b381c534e..60b60edd2c8 100644
--- a/compiler/rustc_interface/src/passes.rs
+++ b/compiler/rustc_interface/src/passes.rs
@@ -893,6 +893,15 @@ fn analysis(tcx: TyCtxt<'_>, (): ()) -> Result<()> {
         }
     });
 
+    if tcx.sess.opts.unstable_opts.drop_tracking_mir {
+        tcx.hir().par_body_owners(|def_id| {
+            if let rustc_hir::def::DefKind::Generator = tcx.def_kind(def_id) {
+                tcx.ensure().mir_generator_witnesses(def_id);
+                tcx.ensure().check_generator_obligations(def_id);
+            }
+        });
+    }
+
     sess.time("layout_testing", || layout_test::test_layout(tcx));
 
     // Avoid overwhelming user with errors if borrow checking failed.