From f956966fda5c89494dd1e35d86de9fa789e03f68 Mon Sep 17 00:00:00 2001
From: Martin Milata <martin@martinmilata.cz>
Date: Tue, 20 Sep 2022 10:29:28 +0200
Subject: [PATCH] build(core/rust): workaround failing build_unix_debug

[no changelog]
---
 core/embed/rust/src/lib.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/core/embed/rust/src/lib.rs b/core/embed/rust/src/lib.rs
index 396e09fa41..f66b33fa9f 100644
--- a/core/embed/rust/src/lib.rs
+++ b/core/embed/rust/src/lib.rs
@@ -3,6 +3,7 @@
 #![allow(clippy::new_without_default)]
 #![deny(unsafe_op_in_unsafe_fn)]
 #![allow(dead_code)]
+#![feature(lang_items)]
 
 #[macro_use]
 extern crate num_derive;
@@ -55,3 +56,10 @@ fn panic(_info: &core::panic::PanicInfo) -> ! {
     // Otherwise, use `unwrap!` macro from trezorhal.
     trezorhal::common::__fatal_error("", "rs", "", 0, "");
 }
+
+#[cfg(not(target_arch = "arm"))]
+#[cfg(not(test))]
+#[cfg(any(not(feature = "test"), feature = "clippy"))]
+#[lang = "eh_personality"]
+/// Needed by full debuginfo `opt-level = 0` builds for some reason.
+extern "C" fn eh_personality() {}