From ca2ea2007e4673be26bccb4ce247324cc7bc5d5a Mon Sep 17 00:00:00 2001
From: Julien Cretin <cretin@google.com>
Date: Fri, 7 Jan 2022 16:09:25 +0100
Subject: [PATCH] Add track_caller for flex_unwrap in libtock-drivers

---
 third_party/libtock-drivers/src/result.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/third_party/libtock-drivers/src/result.rs b/third_party/libtock-drivers/src/result.rs
index 5021c3a..160f1cb 100644
--- a/third_party/libtock-drivers/src/result.rs
+++ b/third_party/libtock-drivers/src/result.rs
@@ -15,6 +15,7 @@ pub type TockResult<T> = Result<T, TockError>;
 // This trait allows to flexibly use `Result::unwrap` or `Option::unwrap` and is configured to do
 // so depending on the `debug_ctap` feature.
 pub trait FlexUnwrap<T> {
+    #[track_caller]
     fn flex_unwrap(self) -> T;
 }