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-rw-r--r--compiler/rustc_expand/src/proc_macro_server.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_expand/src/proc_macro_server.rs b/compiler/rustc_expand/src/proc_macro_server.rs
index b80ecbc9c65..62d0deb2d3a 100644
--- a/compiler/rustc_expand/src/proc_macro_server.rs
+++ b/compiler/rustc_expand/src/proc_macro_server.rs
@@ -510,7 +510,7 @@ impl server::FreeFunctions for Rustc<'_, '_> {
 
     fn emit_diagnostic(&mut self, diagnostic: Diagnostic<Self::Span>) {
         let message = rustc_errors::DiagnosticMessage::from(diagnostic.message);
-        let mut diag: DiagnosticBuilder<'_, rustc_errors::ErrorGuaranteed> =
+        let mut diag: DiagnosticBuilder<'_, ()> =
             DiagnosticBuilder::new(&self.sess().dcx, diagnostic.level.to_internal(), message);
         diag.span(MultiSpan::from_spans(diagnostic.spans));
         for child in diagnostic.children {