This patch was downloaded from https://sft.its.cern.ch/jira/browse/ROOT-7047.
It fixes the build of clang 3.5 with GCC 5.  File paths have been adjusted.

From 00f3ed6eee41da871799ad0fd19153c7682d61fe Mon Sep 17 00:00:00 2001
From: Alexander Klimov <alserkli@inbox.ru>
Date: Mon, 26 Jan 2015 18:45:23 +0200
Subject: [PATCH] [ADT/IntrusiveRefCntPtr] Give friend access to
 IntrusiveRefCntPtr<X> so the relevant move constructor can
 access 'Obj'.

From LLVM upstream:
Author: Argyrios Kyrtzidis <akyrtzi@gmail.com>
Date:   Tue Sep 23 06:06:43 2014 +0000
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218295 91177308-0d34-0410-b5e6-96231b3b80d8
---
 interpreter/llvm/src/include/llvm/ADT/IntrusiveRefCntPtr.h |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/llvm/ADT/IntrusiveRefCntPtr.h b/include/llvm/ADT/IntrusiveRefCntPtr.h
index f9df378..c859c98 100644
--- a/include/llvm/ADT/IntrusiveRefCntPtr.h
+++ b/include/llvm/ADT/IntrusiveRefCntPtr.h
@@ -197,6 +197,9 @@ public:
   private:
     void retain() { if (Obj) IntrusiveRefCntPtrInfo<T>::retain(Obj); }
     void release() { if (Obj) IntrusiveRefCntPtrInfo<T>::release(Obj); }
+
+    template <typename X>
+    friend class IntrusiveRefCntPtr;
   };
 
   template<class T, class U>
-- 
1.7.10.4

d7a2e0e484086074424dd'>tree</a><a href='/guix/commit/etc/manifests/release.scm?id=c573f92972b98cde7bfd7a2e0e484086074424dd'>commit</a><a href='/guix/diff/etc/manifests/release.scm?id=c573f92972b98cde7bfd7a2e0e484086074424dd'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/etc/manifests/release.scm'>
<input type='hidden' name='id' value='c573f92972b98cde7bfd7a2e0e484086074424dd'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=c573f92972b98cde7bfd7a2e0e484086074424dd'>root</a>/<a href='/guix/log/etc?id=c573f92972b98cde7bfd7a2e0e484086074424dd'>etc</a>/<a href='/guix/log/etc/manifests?id=c573f92972b98cde7bfd7a2e0e484086074424dd'>manifests</a>/<a href='/guix/log/etc/manifests/release.scm?id=c573f92972b98cde7bfd7a2e0e484086074424dd'>release.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/etc/manifests/release.scm?id=c573f92972b98cde7bfd7a2e0e484086074424dd&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2024-12-12 23:23:33 +0100'>2024-12-12</span></td><td><a href='/guix/commit/etc/manifests/release.scm?id=12d00767f036029f1f5738de644d4972db374f4f'>etc: Move manifests to a separate directory.</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/disarchive-manifest.scm, etc/hurd-manifest.scm,
etc/kernels-manifest.scm, etc/release-manifest.scm,
etc/source-manifest.scm, etc/system-tests.scm,
etc/time-travel-manifest.scm, etc/upgrade-manifest.scm: Move to…
* etc/manifests: … here, and drop “-manifest” from file name.
* Makefile.am (EXTRA_DIST, assert-binaries-available, check-system):
Adjust accordingly.

Change-Id: Iedee3d0cdd42e72ef8bbf654ea5d3b47dca95874
</span></span></td><td>Ludovic Courtès</td></tr>