make "custom attribute panicked" translatable

1 files changed, 6 insertions, 5 deletions

diff --git a/compiler/rustc_expand/src/proc_macro.rs b/compiler/rustc_expand/src/proc_macro.rs
index 2233cad2e63..170857e62ff 100644
--- a/compiler/rustc_expand/src/proc_macro.rs
+++ b/compiler/rustc_expand/src/proc_macro.rs
@@ -93,11 +93,12 @@ impl base::AttrProcMacro for AttrProcMacro {
         let server = proc_macro_server::Rustc::new(ecx);
         self.client.run(&strategy, server, annotation, annotated, proc_macro_backtrace).map_err(
             |e| {
-                let mut err = ecx.dcx().struct_span_err(span, "custom attribute panicked");
-                if let Some(s) = e.as_str() {
-                    err.help(format!("message: {s}"));
-                }
-                err.emit()
+                ecx.dcx().emit_err(errors::CustomAttributePanicked {
+                    span,
+                    message: e.as_str().map(|message| errors::CustomAttributePanickedHelp {
+                        message: message.into(),
+                    }),
+                })
             },
         )
     }