1 files changed, 10 insertions, 0 deletions
diff --git a/third_party/rust/thiserror/tests/ui/from-backtrace-backtrace.rs b/third_party/rust/thiserror/tests/ui/from-backtrace-backtrace.rs
new file mode 100644
index 0000000000..8f411bf5d8
--- /dev/null
+++ b/third_party/rust/thiserror/tests/ui/from-backtrace-backtrace.rs
@@ -0,0 +1,10 @@
+// https://github.com/dtolnay/thiserror/issues/163
+
+use std::backtrace::Backtrace;
+use thiserror::Error;
+
+#[derive(Error, Debug)]
+#[error("...")]
+pub struct Error(#[from] #[backtrace] std::io::Error, Backtrace);
+
+fn main() {}