From 1eeed17c9ebc5a5bcae5613cdef77a0fa17828aa Mon Sep 17 00:00:00 2001
From: Esteban Küber <esteban@kuber.com.ar>
Date: Mon, 25 Nov 2019 12:34:16 -0800
Subject: Tweak duplicate fmt arg error

---
 src/libsyntax_ext/format.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/libsyntax_ext')

diff --git a/src/libsyntax_ext/format.rs b/src/libsyntax_ext/format.rs
index 25daca9237f..0a19d64200c 100644
--- a/src/libsyntax_ext/format.rs
+++ b/src/libsyntax_ext/format.rs
@@ -172,7 +172,8 @@ fn parse_args<'a>(
             let e = p.parse_expr()?;
             if let Some(prev) = names.get(&name) {
                 ecx.struct_span_err(e.span, &format!("duplicate argument named `{}`", name))
-                    .span_note(args[*prev].span, "previously here")
+                    .span_label(args[*prev].span, "previously here")
+                    .span_label(e.span, "duplicate argument")
                     .emit();
                 continue;
             }
-- 
cgit 1.4.1-3-g733a5