From a2f59049dc4123b44631d198b94924c5ab47664a Mon Sep 17 00:00:00 2001
From: ninjawithaneedle <ninjawithaneedle2@gmail.com>
Date: Mon, 13 Feb 2017 16:24:25 +0530
Subject: [PATCH] Highlighting should not filter linter messages without column
 info

---
 autoload/ale/highlight.vim | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/autoload/ale/highlight.vim b/autoload/ale/highlight.vim
index 348226e..b57931f 100644
--- a/autoload/ale/highlight.vim
+++ b/autoload/ale/highlight.vim
@@ -63,8 +63,9 @@ function! ale#highlight#SetHighlights(buffer, loclist) abort
         " we next open it.
         "
         " We'll filter the loclist down to items we can set now.
+        let temp_loclist = deepcopy(a:loclist)
         let s:buffer_highlights[a:buffer] = filter(
-        \   a:loclist,
+        \   temp_loclist,
         \   'v:val.bufnr == a:buffer && v:val.col > 0'
         \)