1 files changed, 9 insertions, 12 deletions
diff --git a/compiler/rustc_infer/src/errors/mod.rs b/compiler/rustc_infer/src/errors/mod.rs
index a7e045e1e..ad4525c92 100644
--- a/compiler/rustc_infer/src/errors/mod.rs
+++ b/compiler/rustc_infer/src/errors/mod.rs
@@ -14,8 +14,7 @@ use rustc_span::{symbol::Ident, BytePos, Span};
 
 use crate::fluent_generated as fluent;
 use crate::infer::error_reporting::{
-    need_type_info::{GeneratorKindAsDiagArg, UnderspecifiedArgKind},
-    nice_region_error::placeholder_error::Highlighted,
+    need_type_info::UnderspecifiedArgKind, nice_region_error::placeholder_error::Highlighted,
     ObligationCauseAsDiagArg,
 };
 
@@ -86,16 +85,6 @@ pub struct AmbiguousReturn<'a> {
     pub multi_suggestions: Vec<SourceKindMultiSuggestion<'a>>,
 }
 
-#[derive(Diagnostic)]
-#[diag(infer_need_type_info_in_generator, code = "E0698")]
-pub struct NeedTypeInfoInGenerator<'a> {
-    #[primary_span]
-    pub span: Span,
-    pub generator_kind: GeneratorKindAsDiagArg,
-    #[subdiagnostic]
-    pub bad_label: InferenceBadError<'a>,
-}
-
 // Used when a better one isn't available
 #[derive(Subdiagnostic)]
 #[label(infer_label_bad)]
@@ -1463,6 +1452,14 @@ pub enum ObligationCauseFailureCode {
         #[subdiagnostic]
         subdiags: Vec<TypeErrorAdditionalDiags>,
     },
+    #[diag(infer_oc_fn_lang_correct_type, code = "E0308")]
+    FnLangCorrectType {
+        #[primary_span]
+        span: Span,
+        #[subdiagnostic]
+        subdiags: Vec<TypeErrorAdditionalDiags>,
+        lang_item_name: Symbol,
+    },
     #[diag(infer_oc_intrinsic_correct_type, code = "E0308")]
     IntrinsicCorrectType {
         #[primary_span]