2 files changed, 9 insertions, 2 deletions
diff --git a/compiler/rustc_interface/src/passes.rs b/compiler/rustc_interface/src/passes.rs
index 4a45c9e4f3e..61923db9623 100644
--- a/compiler/rustc_interface/src/passes.rs
+++ b/compiler/rustc_interface/src/passes.rs
@@ -773,8 +773,14 @@ fn analysis(tcx: TyCtxt<'_>, (): ()) -> Result<()> {
             }
             tcx.ensure().has_ffi_unwind_calls(def_id);
 
-            if tcx.hir().body_const_context(def_id).is_some() {
+            // If we need to codegen, ensure that we emit all errors from
+            // `mir_drops_elaborated_and_const_checked` now, to avoid discovering
+            // them later during codegen.
+            if tcx.sess.opts.output_types.should_codegen()
+                || tcx.hir().body_const_context(def_id).is_some()
+            {
                 tcx.ensure().mir_drops_elaborated_and_const_checked(def_id);
+                tcx.ensure().unused_generic_params(ty::InstanceDef::Item(def_id.to_def_id()));
             }
         }
     });
diff --git a/compiler/rustc_interface/src/tests.rs b/compiler/rustc_interface/src/tests.rs
index f5d44d239e0..ce0f90bc1cc 100644
--- a/compiler/rustc_interface/src/tests.rs
+++ b/compiler/rustc_interface/src/tests.rs
@@ -768,6 +768,7 @@ fn test_unstable_options_tracking_hash() {
     tracked!(merge_functions, Some(MergeFunctions::Disabled));
     tracked!(mir_emit_retag, true);
     tracked!(mir_enable_passes, vec![("DestProp".to_string(), false)]);
+    tracked!(mir_keep_place_mention, true);
     tracked!(mir_opt_level, Some(4));
     tracked!(move_size_limit, Some(4096));
     tracked!(mutable_noalias, false);
@@ -776,7 +777,7 @@ fn test_unstable_options_tracking_hash() {
     tracked!(no_link, true);
     tracked!(no_profiler_runtime, true);
     tracked!(no_unique_section_names, true);
-    tracked!(oom, OomStrategy::Panic);
+    tracked!(oom, OomStrategy::Unwind);
     tracked!(osx_rpath_install_name, true);
     tracked!(packed_bundled_libs, true);
     tracked!(panic_abort_tests, true);