Rollup merge of #94493 - oribenshir:feature/ISSUE-78543_async_fn_in_foreign_crate_diag_2, r=davidtwco

Improved diagnostic on failure to meet send bound on future in a foreign crate

Provide a better diagnostic on failure to meet send bound on futures in a foreign crate.

fixes #78543

1 files changed, 4 insertions, 3 deletions

diff --git a/compiler/rustc_metadata/src/rmeta/encoder.rs b/compiler/rustc_metadata/src/rmeta/encoder.rs
index 6a8d4e03754..619c90eea7e 100644
--- a/compiler/rustc_metadata/src/rmeta/encoder.rs
+++ b/compiler/rustc_metadata/src/rmeta/encoder.rs
@@ -1556,16 +1556,17 @@ impl<'a, 'tcx> EncodeContext<'a, 'tcx> {
     fn encode_info_for_closure(&mut self, hir_id: hir::HirId) {
         let def_id = self.tcx.hir().local_def_id(hir_id);
         debug!("EncodeContext::encode_info_for_closure({:?})", def_id);
-
         // NOTE(eddyb) `tcx.type_of(def_id)` isn't used because it's fully generic,
         // including on the signature, which is inferred in `typeck.
-        let ty = self.tcx.typeck(def_id).node_type(hir_id);
-
+        let typeck_result: &'tcx ty::TypeckResults<'tcx> = self.tcx.typeck(def_id);
+        let ty = typeck_result.node_type(hir_id);
         match ty.kind() {
             ty::Generator(..) => {
                 let data = self.tcx.generator_kind(def_id).unwrap();
+                let generator_diagnostic_data = typeck_result.get_generator_diagnostic_data();
                 record!(self.tables.kind[def_id.to_def_id()] <- EntryKind::Generator);
                 record!(self.tables.generator_kind[def_id.to_def_id()] <- data);
+                record!(self.tables.generator_diagnostic_data[def_id.to_def_id()]  <- generator_diagnostic_data);
             }
 
             ty::Closure(..) => {