Upgrade a span_delayed_bug into a span_bug, as we have no tests hitting it.

Author: oli-obk

compiler/rustc_hir_typeck/src/expr.rs

@@ -1341,14 +1341,16 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
                 self.write_method_call_and_enforce_effects(expr.hir_id, expr.span, method);
                 Ok(method)
             }
-            Err(error) => Err(if segment.ident.name == kw::Empty {
-                self.dcx().span_delayed_bug(rcvr.span, "empty method name")
-            } else {
-                match self.report_method_error(expr.hir_id, rcvr_t, error, expected, false) {
-                    Ok(diag) => diag.emit(),
-                    Err(guar) => guar,
+            Err(error) => {
+                if segment.ident.name == kw::Empty {
+                    span_bug!(rcvr.span, "empty method name")
+                } else {
+                    match self.report_method_error(expr.hir_id, rcvr_t, error, expected, false) {
+                        Ok(diag) => Err(diag.emit()),
+                        Err(guar) => Err(guar),
+                    }
                 }
-            }),
+            }
         };
 
         // Call the generic checker.