hir-analysis: make one diagnostic translatable

2 files changed, 10 insertions, 4 deletions

diff --git a/compiler/rustc_hir_analysis/src/errors.rs b/compiler/rustc_hir_analysis/src/errors.rs
index 04f5f3f6276..f3c3c02a05f 100644
--- a/compiler/rustc_hir_analysis/src/errors.rs
+++ b/compiler/rustc_hir_analysis/src/errors.rs
@@ -312,3 +312,12 @@ pub struct AutoDerefReachedRecursionLimit<'a> {
     pub suggested_limit: rustc_session::Limit,
     pub crate_name: Symbol,
 }
+
+#[derive(Diagnostic)]
+#[diag(hir_analysis_track_caller_on_main)]
+pub(crate) struct TrackCallerOnMain {
+    #[primary_span]
+    pub span: Span,
+    #[label]
+    pub annotated: Span,
+}
diff --git a/compiler/rustc_hir_analysis/src/lib.rs b/compiler/rustc_hir_analysis/src/lib.rs
index 11240cf22e4..73a71376662 100644
--- a/compiler/rustc_hir_analysis/src/lib.rs
+++ b/compiler/rustc_hir_analysis/src/lib.rs
@@ -297,10 +297,7 @@ fn check_main_fn_ty(tcx: TyCtxt<'_>, main_def_id: DefId) {
     }
 
     for attr in tcx.get_attrs(main_def_id, sym::track_caller) {
-        tcx.sess
-            .struct_span_err(attr.span, "`main` function is not allowed to be `#[track_caller]`")
-            .span_label(main_span, "`main` function is not allowed to be `#[track_caller]`")
-            .emit();
+        tcx.sess.emit_err(errors::TrackCallerOnMain { span: attr.span, annotated: main_span });
         error = true;
     }