Encode coroutine_by_move_body_def_id in crate metadata

Author: compiler-errors

compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs

@@ -290,6 +290,7 @@ provide! { tcx, def_id, other, cdata,
     fn_arg_names => { table }
     coroutine_kind => { table_direct }
     coroutine_for_closure => { table }
+    coroutine_by_move_body_def_id => { table }
     eval_static_initializer => {
         Ok(cdata
             .root

compiler/rustc_metadata/src/rmeta/encoder.rs

@@ -1488,9 +1488,18 @@ impl<'a, 'tcx> EncodeContext<'a, 'tcx> {
             if def_kind == DefKind::Closure
                 && tcx.type_of(def_id).skip_binder().is_coroutine_closure()
             {
+                let coroutine_for_closure = self.tcx.coroutine_for_closure(def_id);
                 self.tables
                     .coroutine_for_closure
-                    .set_some(def_id.index, self.tcx.coroutine_for_closure(def_id).into());
+                    .set_some(def_id.index, coroutine_for_closure.into());
+
+                // If this async closure has a by-move body, record it too.
+                if tcx.needs_coroutine_by_move_body_def_id(coroutine_for_closure) {
+                    self.tables.coroutine_by_move_body_def_id.set_some(
+                        coroutine_for_closure.index,
+                        self.tcx.coroutine_by_move_body_def_id(coroutine_for_closure).into(),
+                    );
+                }
             }
             if let DefKind::Static { .. } = def_kind {
                 if !self.tcx.is_foreign_item(def_id) {

compiler/rustc_metadata/src/rmeta/mod.rs

@@ -446,6 +446,7 @@ define_tables! {
     fn_arg_names: Table<DefIndex, LazyArray<Ident>>,
     coroutine_kind: Table<DefIndex, hir::CoroutineKind>,
     coroutine_for_closure: Table<DefIndex, RawDefId>,
+    coroutine_by_move_body_def_id: Table<DefIndex, RawDefId>,
     eval_static_initializer: Table<DefIndex, LazyValue<mir::interpret::ConstAllocation<'static>>>,
     trait_def: Table<DefIndex, LazyValue<ty::TraitDef>>,
     trait_item_def_id: Table<DefIndex, RawDefId>,

tests/ui/async-await/async-closures/foreign.rs

@@ -12,8 +12,13 @@ extern crate foreign;
 
 struct NoCopy;
 
+async fn call_once(f: impl async FnOnce()) {
+    f().await;
+}
+
 fn main() {
     block_on::block_on(async {
         foreign::closure()().await;
+        call_once(foreign::closure()).await;
     });
 }