1 files changed, 6 insertions, 8 deletions
diff --git a/compiler/rustc_builtin_macros/src/compile_error.rs b/compiler/rustc_builtin_macros/src/compile_error.rs
index f157575da79..66500351272 100644
--- a/compiler/rustc_builtin_macros/src/compile_error.rs
+++ b/compiler/rustc_builtin_macros/src/compile_error.rs
@@ -9,16 +9,14 @@ pub fn expand_compile_error<'cx>(
     sp: Span,
     tts: TokenStream,
 ) -> Box<dyn base::MacResult + 'cx> {
-    let Some(var) = get_single_str_from_tts(cx, sp, tts, "compile_error!") else {
-        return DummyResult::any(sp);
+    let var = match get_single_str_from_tts(cx, sp, tts, "compile_error!") {
+        Ok(var) => var,
+        Err(guar) => return DummyResult::any(sp, guar),
     };
 
-    #[expect(
-        rustc::diagnostic_outside_of_impl,
-        reason = "diagnostic message is specified by user"
-    )]
+    #[expect(rustc::diagnostic_outside_of_impl, reason = "diagnostic message is specified by user")]
     #[expect(rustc::untranslatable_diagnostic, reason = "diagnostic message is specified by user")]
-    cx.dcx().span_err(sp, var.to_string());
+    let guar = cx.dcx().span_err(sp, var.to_string());
 
-    DummyResult::any(sp)
+    DummyResult::any(sp, guar)
 }