From fea708cff33343dbeff496ba2c25ed2fe7268fed Mon Sep 17 00:00:00 2001
From: w0rp <devw0rp@gmail.com>
Date: Mon, 13 Nov 2017 23:34:00 +0000
Subject: #852 Pass on error codes in the loclist corrections

---
 autoload/ale/engine.vim             |  4 ++++
 test/test_loclist_corrections.vader | 21 +++++++++++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/autoload/ale/engine.vim b/autoload/ale/engine.vim
index f2553b2a..e08de16c 100644
--- a/autoload/ale/engine.vim
+++ b/autoload/ale/engine.vim
@@ -374,6 +374,10 @@ function! ale#engine#FixLocList(buffer, linter_name, loclist) abort
         \   'linter_name': a:linter_name,
         \}
 
+        if has_key(l:old_item, 'code')
+            let l:item.code = l:old_item.code
+        endif
+
         if has_key(l:old_item, 'filename')
         \&& !ale#path#IsTempName(l:old_item.filename)
             " Use the filename given.
diff --git a/test/test_loclist_corrections.vader b/test/test_loclist_corrections.vader
index e6844d8e..6224d608 100644
--- a/test/test_loclist_corrections.vader
+++ b/test/test_loclist_corrections.vader
@@ -327,3 +327,24 @@ Execute(FixLocList should interpret temporary filenames as being the current buf
   \     {'text': 'a', 'lnum': 3, 'filename': b:temp_name},
   \   ],
   \ )
+
+Execute(The error code should be passed on):
+  AssertEqual
+  \ [
+  \   {
+  \     'text': 'a',
+  \     'lnum': 10,
+  \     'col': 0,
+  \     'bufnr': bufnr('%'),
+  \     'vcol': 0,
+  \     'type': 'E',
+  \     'nr': -1,
+  \     'linter_name': 'foobar',
+  \     'code': 'some-code'
+  \   },
+  \],
+  \ ale#engine#FixLocList(
+  \   bufnr('%'),
+  \   'foobar',
+  \   [{'text': 'a', 'lnum': 11, 'code': 'some-code'}],
+  \ )
-- 
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