--- 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
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<tr><td><span title='2021-07-14 15:38:03 +0200'>2021-07-14</span></td><td><a href='/guix/commit/tests/utils.scm?id=f54852be22c29a0d5b174d15ef6189c57cab2017'>utils: Define a target-x86-32? and target-x86-64? predicate.</a><span class='msg-avail'>...</span></td><td>Maxime Devos</td></tr>
<tr><td><span title='2021-07-14 15:38:03 +0200'>2021-07-14</span></td><td><a href='/guix/commit/tests/utils.scm?id=ef71965c162ff19c7b4b85889b0330d7c428dda5'>utils: Define 'target-linux?' predicate.</a><span class='msg-avail'>...</span></td><td>Maxime Devos</td></tr>
<tr><td><span title='2021-02-03 12:41:28 +0100'>2021-02-03</span></td><td><a href='/guix/commit/tests/utils.scm?id=9505b54a4f9f0265c9d8be53763f0c59d6f62a44'>utils: Add string distance.</a><span class='msg-avail'>...</span></td><td>zimoun</td></tr>
<tr><td><span title='2021-02-01 17:32:34 +0100'>2021-02-01</span></td><td><a href='/guix/commit/tests/utils.scm?id=579506e272cf68649ec68ad8a976a17426ea630c'>utils: Add 'version-unique-prefix'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-01-13 22:24:19 +0100'>2021-01-13</span></td><td><a href='/guix/commit/tests/utils.scm?id=db0cecdf6b2f2b8f9c5a3cebe8fc60e79a692be0'>utils: Support zstd compression via Guile-zstd.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-01-13 22:24:19 +0100'>2021-01-13</span></td><td><a href='/guix/commit/tests/utils.scm?id=0d046587107a56467cf2027799ac79ce8c203ce0'>utils: Remove 'compressed-output-port'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-08-24 13:35:24 +0200'>2020-08-24</span></td><td><a href='/guix/commit/tests/utils.scm?id=4c0c65acfade63ce0549115d19db4b639c1e9992'>Use "guile-zlib" and "guile-lzlib" instead of (guix config).</a><span class='msg-avail'>...</span></td><td>Mathieu Othacehe</td></tr>