--- a/libgcc/config/i386/gthr-win32.h	2016-03-30 07:45:33.388684463 +0200
+++ b/libgcc/config/i386/gthr-win32.h	2016-03-30 15:51:24.123896436 +0200
@@ -30,7 +30,7 @@

 /* Make sure CONST_CAST2 (origin in system.h) is declared.  */
 #ifndef CONST_CAST2
-#define CONST_CAST2(TOTYPE,FROMTYPE,X) ((__extension__(union {FROMTYPE _q; TOTYPE _nq;})(X))._nq)
+#define CONST_CAST2(TOTYPE,FROMTYPE,X) ((TOTYPE)X)
 #endif

 /* Windows32 threads specific definitions. The windows32 threading model
 <a href='/guix/'>guix</a></td><td class='form'><form method='get'>
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<tr><td class='sub'>Wojtek's customized Guix</td><td class='sub right'></td></tr></table>
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<a href='/guix/about/'>about</a><a href='/guix/'>summary</a><a href='/guix/refs/?id=8fbda358abd079e32f8a7a72403484bce3a6c3e7'>refs</a><a class='active' href='/guix/log/README'>log</a><a href='/guix/tree/README?id=8fbda358abd079e32f8a7a72403484bce3a6c3e7'>tree</a><a href='/guix/commit/README?id=8fbda358abd079e32f8a7a72403484bce3a6c3e7'>commit</a><a href='/guix/diff/README?id=8fbda358abd079e32f8a7a72403484bce3a6c3e7'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/README'>
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<div class='path'>path: <a href='/guix/log/?id=8fbda358abd079e32f8a7a72403484bce3a6c3e7'>root</a>/<a href='/guix/log/README?id=8fbda358abd079e32f8a7a72403484bce3a6c3e7'>README</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/README?id=8fbda358abd079e32f8a7a72403484bce3a6c3e7&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-05-20 01:58:04 +0200'>2021-05-20</span></td><td><a href='/guix/commit/README?id=c0087d33705f53cc3619a1a43a33602aaecc3a8b'>The #guix channel is hosted by Libera Chat.</a><span class='msg-avail'>...<span class='msg-tooltip'>* README (Contact): Update network name.
* ROADMAP: Likewise.
* doc/contributing.texi (Contributing): Likewise.
* doc/guix.texi (After System Installation): Likewise.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-10-23 12:57:20 -0400'>2020-10-23</span></td><td><a href='/guix/commit/README?id=b5aaa3a4fb985d21e21e2a67f48b52f13ebd4728'>doc: Update README.</a><span class='msg-avail'>...<span class='msg-tooltip'>* README (Installation): Do not mention installing Guix from Git anymore.
(Building from Git): Add section.
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2020-10-22 22:47:54 -0400'>2020-10-22</span></td><td><a href='/guix/commit/README?id=503d2bfde08f9bf97bbf430516d2f19faedd4319'>README: Refer to the manual for building from Git.</a><span class='msg-avail'>...<span class='msg-tooltip'>* README (Installing Guix from Guix): Remove section.
(Installation): For installing from Git, refer to the "Building from Git"
section of the manual and suggest using './pre-inst-env guix pull' rather than
'make install' for installing Guix.
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2020-06-02 18:55:53 +0200'>2020-06-02</span></td><td><a href='/guix/commit/README?id=c75a80189fc19f6ff8b4c82d1d1801be6763b6d2'>doc: Update README to refer to the manual.</a><span class='msg-avail'>...<span class='msg-tooltip'>* README (Requirements): Refer to the manual.
(Installation): Update URL of the manual.
</span></span></td><td>Ludovic Courtès</td></tr>