From 4f50a214f793500891006cafb3477b2b9d05a6d8 Mon Sep 17 00:00:00 2001
From: Alex Crichton <alex@alexcrichton.com>
Date: Thu, 12 Jul 2018 08:32:39 -0700
Subject: [PATCH] Try to fix example's compile on nightly

---
 library/compiler-builtins/examples/intrinsics.rs | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/library/compiler-builtins/examples/intrinsics.rs b/library/compiler-builtins/examples/intrinsics.rs
index ddcb1ab86369..6468a8316816 100644
--- a/library/compiler-builtins/examples/intrinsics.rs
+++ b/library/compiler-builtins/examples/intrinsics.rs
@@ -14,6 +14,7 @@
 #![feature(start)]
 #![feature(global_allocator)]
 #![feature(allocator_api)]
+#![feature(panic_implementation)]
 #![cfg_attr(windows, feature(panic_unwind))]
 #![no_std]
 
@@ -442,7 +443,7 @@ pub fn _Unwind_Resume() {}
 #[no_mangle]
 pub extern "C" fn eh_personality() {}
 
-#[lang = "panic_fmt"]
-#[no_mangle]
-#[allow(private_no_mangle_fns)]
-extern "C" fn panic_fmt() {}
+#[panic_implementation]
+fn panic(x: &core::panic::PanicInfo) -> ! {
+    loop {}
+}