Add helper to create the trait ref for a lang item

2022-11-17 14:39:19 +00:00
parent 25c4760b5d
commit ad57f88d3f
10 changed files with 51 additions and 66 deletions
--- a/compiler/rustc_hir_analysis/src/check/wfcheck.rs
+++ b/compiler/rustc_hir_analysis/src/check/wfcheck.rs
@@ -1722,7 +1722,7 @@ fn receiver_is_valid<'tcx>(
    // The first type is `receiver_ty`, which we know its not equal to `self_ty`; skip it.
    autoderef.next();

-    let receiver_trait_def_id = tcx.require_lang_item(LangItem::Receiver, None);
+    let receiver_trait_def_id = tcx.require_lang_item(LangItem::Receiver, Some(span));

    // Keep dereferencing `receiver_ty` until we get to `self_ty`.
    loop {