From 1f1ca877b7002e3ac45916df5415fde1584775ab Mon Sep 17 00:00:00 2001
From: David Tolnay <dtolnay@gmail.com>
Date: Thu, 13 Feb 2020 00:12:26 -0800
Subject: [PATCH] Change disabled and unsupported backtraces to print using
 placeholder style

---
 src/libstd/backtrace.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/libstd/backtrace.rs b/src/libstd/backtrace.rs
index cc842ebd589..c64eb9f8e40 100644
--- a/src/libstd/backtrace.rs
+++ b/src/libstd/backtrace.rs
@@ -162,8 +162,8 @@ enum BytesOrWide {
 impl fmt::Debug for Backtrace {
     fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
         let mut capture = match &self.inner {
-            Inner::Unsupported => return fmt.write_str("unsupported backtrace"),
-            Inner::Disabled => return fmt.write_str("disabled backtrace"),
+            Inner::Unsupported => return fmt.write_str("<unsupported>"),
+            Inner::Disabled => return fmt.write_str("<disabled>"),
             Inner::Captured(c) => c.lock().unwrap(),
         };
         capture.resolve();