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

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<tr><td><span title='2024-10-14 22:46:42 +0800'>2024-10-14</span></td><td><a href='/guix/commit/gnu/packages/documentation.scm?id=ef678e1acd7cc24143138ad5d952c551034e6f20'>gnu: latex2html: Update to 2024.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/documentation.scm (latex2html): Update to 2024.

Change-Id: I618acb3959d088ef815a2c3c1cc8f87a6f1eac8e
</span></span></td><td>Aaron Covrig</td></tr>
<tr><td><span title='2024-09-16 09:08:36 +0300'>2024-09-16</span></td><td><a href='/guix/commit/gnu/packages/documentation.scm?id=0ce0bd246e68dff2d99e54696a2ab9baa67af0c0'>gnu: markdeep: Add a source file-name.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/documentation.scm (markdeep)[source]: Add a file-name
field.

Change-Id: Ib1502df173f9a436ead173dacfe4d1292b407cf3
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2024-08-31 10:45:42 +0200'>2024-08-31</span></td><td><a href='/guix/commit/gnu/packages/documentation.scm?id=548af6589f5fa85773fdd3e16f12d22f52f5f465'>gnu: zeal: Fix build.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/documentation.scm (zeal)[arguments]: Remove phases.

Change-Id: I93b766d66862115c1cc92789ad3587606fa2b631
</span></span></td><td>Zheng Junjie</td></tr>
<tr><td><span title='2024-08-31 10:42:42 +0200'>2024-08-31</span></td><td><a href='/guix/commit/gnu/packages/documentation.scm?id=9cd490205ae64dc380ab4134bc7eb137afca9ade'>gnu: zeal: Add 'bash' input for 'wrap-program'.</a><span class='msg-avail'>...<span class='msg-tooltip'>It is required for cross-compilation.

* gnu/packages/documentation.scm (zeal)[inputs]: Add 'bash-minimal'.

Signed-off-by: Maxim Cournoyer &lt;maxim.cournoyer@gmail.com&gt;
</span></span></td><td>Maxime Devos</td></tr>
<tr><td><span title='2024-08-31 10:42:05 +0200'>2024-08-31</span></td><td><a href='/guix/commit/gnu/packages/documentation.scm?id=dac6c82cf3e5d25b5571cb083f0511460b533217'>gnu: doxygen: Update to 1.9.8.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/documentation.scm (doxygen): Update to 1.9.8.
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2024-07-06 19:46:20 +0200'>2024-07-06</span></td><td><a href='/guix/commit/gnu/packages/documentation.scm?id=5b84b46a75fdd55615c7c71d1a1977eb4aad57c6'>gnu: zeal: Update to 0.7.1.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/documentation.scm (zeal): Update to 0.7.1.
[arguments]: Convert to gexp.
[inputs]: Use new label-less style.

Change-Id: I9d2851ee303f2e8ebed80b4a1e463aa290bea111
Signed-off-by: Andreas Enge &lt;andreas@enge.fr&gt;
</span></span></td><td>Felix Gruber</td></tr>
<tr><td><span title='2024-04-11 12:35:43 +0200'>2024-04-11</span></td><td><a href='/guix/commit/gnu/packages/documentation.scm?id=f607663864dc021ed9ac84a1b755f02201ccd359'>gnu: Add stddoc.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/documentation.scm (stddoc): New variable.

Change-Id: I0f60126ef78a45733ad7395352e9bad49561437b
Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Christina O'Donnell</td></tr>
<tr><td><span title='2024-04-11 12:35:26 +0200'>2024-04-11</span></td><td><a href='/guix/commit/gnu/packages/documentation.scm?id=8b65da6ac8ea5c0a5cb428e47b1bd8841ffef3fc'>gnu: Add markdeep.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu packages/documentation.scm (markdeep): New variable.

Change-Id: I34303377f50740ba357c1bb299c9434079a6e23d
Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Christina O'Donnell</td></tr>
<tr><td><span title='2024-03-17 12:53:21 +0100'>2024-03-17</span></td><td><a href='/guix/commit/gnu/packages/documentation.scm?id=59aba5f8f6eabc7668a1bfa188e485258d8762fc'>gnu: Add halibut.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/documentation.scm (halibut): New variable.

Signed-off-by: Liliana Marie Prikler &lt;liliana.prikler@gmail.com&gt;
</span></span></td><td>Sergey Trofimov</td></tr>
<tr><td><span title='2024-03-17 12:53:21 +0100'>2024-03-17</span></td><td><a href='/guix/commit/gnu/packages/documentation.scm?id=7ea4fedd10f1506c80ec25cb658fc119ba7c4a6a'>gnu: Prefix licenses in documentation.scm</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/documentation.scm: Prefix licenses.

Signed-off-by: Liliana Marie Prikler &lt;liliana.prikler@gmail.com&gt;
</span></span></td><td>Sergey Trofimov</td></tr>