From 80bf3da17d010cf8ac3e2e9e500d3c1f2d231d7d Mon Sep 17 00:00:00 2001
From: topecongiro <seuchida@gmail.com>
Date: Sun, 18 Feb 2018 18:11:38 +0900
Subject: [PATCH] Use debug_assert_eq! to avoid comparing PathBuf on release

Comparing `PathBuf` adds noticeable overhead, avoid it in release build.
---
 rustfmt-core/src/codemap.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rustfmt-core/src/codemap.rs b/rustfmt-core/src/codemap.rs
index 7292f7f35d1..6edfb5b8fbe 100644
--- a/rustfmt-core/src/codemap.rs
+++ b/rustfmt-core/src/codemap.rs
@@ -71,7 +71,7 @@ fn lookup_line_range(&self, span: Span) -> LineRange {
         let lo = self.lookup_line(span.lo()).unwrap();
         let hi = self.lookup_line(span.hi()).unwrap();
 
-        assert_eq!(
+        debug_assert_eq!(
             lo.fm.name, hi.fm.name,
             "span crossed file boundary: lo: {:?}, hi: {:?}",
             lo, hi
-- 
2.44.0