From a46b3a13c4aa6162703572f2f0a832123cb76d7a Mon Sep 17 00:00:00 2001
From: Philipp Oppermann <dev@phil-opp.com>
Date: Mon, 19 Dec 2016 11:29:06 +0100
Subject: [PATCH] Mark `panic_fmt` as `no_mangle` to work around
 rust-lang/rust#38281

(cherry picked from commit 081105bbb60e1c76f222a6c34baac4eec0c83846)
(cherry picked from commit 1acc1ff5806f2fa101f726644d258eb4e4543540)
---
 src/lib.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/lib.rs b/src/lib.rs
index 00d48050..22303bbb 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -84,6 +84,7 @@ extern "C" fn eh_personality() {}
 
 #[cfg(not(test))]
 #[lang = "panic_fmt"]
+#[no_mangle]
 extern "C" fn panic_fmt(fmt: core::fmt::Arguments, file: &'static str, line: u32) -> ! {
     println!("\n\nPANIC in {} at line {}:", file, line);
     println!("    {}", fmt);