From ccbdfcd76fe74232ee507d47f7edd9d447e3656a Mon Sep 17 00:00:00 2001
From: w0rp <devw0rp@gmail.com>
Date: Thu, 2 Aug 2018 21:45:04 +0100
Subject: Include the error in the detailed error message in the GCC handler

---
 autoload/ale/handlers/gcc.vim       |  9 ++++++---
 test/handler/test_gcc_handler.vader | 16 ++++++++++++++++
 2 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/autoload/ale/handlers/gcc.vim b/autoload/ale/handlers/gcc.vim
index b8bac77f..72d639da 100644
--- a/autoload/ale/handlers/gcc.vim
+++ b/autoload/ale/handlers/gcc.vim
@@ -92,9 +92,12 @@ function! ale#handlers#gcc#HandleGCCFormat(buffer, lines) abort
         " the previous error parsed in output
         if l:match[4] is# 'note'
             if !empty(l:output)
-                let l:output[-1]['detail'] =
-                \   get(l:output[-1], 'detail', '')
-                \   . s:RemoveUnicodeQuotes(l:match[0]) . "\n"
+                if !has_key(l:output[-1], 'detail')
+                    let l:output[-1].detail = l:output[-1].text
+                endif
+
+                let l:output[-1].detail = l:output[-1].detail . "\n"
+                \   . s:RemoveUnicodeQuotes(l:match[0])
             endif
 
             continue
diff --git a/test/handler/test_gcc_handler.vader b/test/handler/test_gcc_handler.vader
index 43b38769..3daa9e60 100644
--- a/test/handler/test_gcc_handler.vader
+++ b/test/handler/test_gcc_handler.vader
@@ -174,6 +174,22 @@ Execute(The GCC handler should handle notes with no previous message):
   \   '<stdin>:1:1: note: x',
   \ ])
 
+Execute(The GCC handler should attach notes to previous messages):
+  AssertEqual
+  \ [
+  \   {
+  \     'lnum': 6,
+  \     'col': 12,
+  \     'type': 'E',
+  \     'text': 'Some error',
+  \     'detail': "Some error\n<stdin>:1:1: note: x",
+  \   },
+  \ ],
+  \ ale#handlers#gcc#HandleGCCFormatWithIncludes(347, [
+  \   '-:6:12: error: Some error',
+  \   '<stdin>:1:1: note: x',
+  \ ])
+
 Execute(The GCC handler should interpret - as being the current file):
   AssertEqual
   \ [
-- 
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