From 541e5f84d7ccbf02f8fdab6da0ff92f7ffbf0866 Mon Sep 17 00:00:00 2001
From: Daniel Micay <danielmicay@gmail.com>
Date: Sun, 20 Oct 2013 23:13:48 -0400
Subject: add support for the `cold` function attribute

This allows a function to marked as infrequently called, resulting in
any branch calling it to be considered colder.
---
 src/libstd/rt/borrowck.rs | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/libstd/rt')

diff --git a/src/libstd/rt/borrowck.rs b/src/libstd/rt/borrowck.rs
index 9d13e79464a..7fcd674009d 100644
--- a/src/libstd/rt/borrowck.rs
+++ b/src/libstd/rt/borrowck.rs
@@ -57,6 +57,7 @@ pub fn clear_task_borrow_list() {
     let _ = try_take_task_borrow_list();
 }
 
+#[cold]
 unsafe fn fail_borrowed(box: *mut raw::Box<()>, file: *c_char, line: size_t) -> ! {
     debug_borrow("fail_borrowed: ", box, 0, 0, file, line);
 
-- 
cgit 1.4.1-3-g733a5