Fix contributed upstream here:
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=42694.

Index: emacs-26.3/src/xfns.c
===================================================================
--- emacs-26.3.orig/src/xfns.c
+++ emacs-26.3/src/xfns.c
@@ -2628,6 +2628,8 @@ xic_free_xfontset (struct frame *f)
 static XIMStyle
 best_xim_style (XIMStyles *xim)
 {
+  if (xim == NULL) goto out;
+
   int i, j;
   int nr_supported = ARRAYELTS (supported_xim_styles);

@@ -2636,6 +2638,7 @@ best_xim_style (XIMStyles *xim)
       if (supported_xim_styles[i] == xim->supported_styles[j])
	return supported_xim_styles[i];

+ out:
   /* Return the default style.  */
   return XIMPreeditNothing | XIMStatusNothing;
 }
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<div class='path'>path: <a href='/guix/log/?id=3ca0859f6c4020b83745988f4b69d2f06a635f4c'>root</a>/<a href='/guix/log/gnu?id=3ca0859f6c4020b83745988f4b69d2f06a635f4c'>gnu</a>/<a href='/guix/log/gnu/packages?id=3ca0859f6c4020b83745988f4b69d2f06a635f4c'>packages</a>/<a href='/guix/log/gnu/packages/photo.scm?id=3ca0859f6c4020b83745988f4b69d2f06a635f4c'>photo.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/gnu/packages/photo.scm?id=3ca0859f6c4020b83745988f4b69d2f06a635f4c&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2024-08-31 10:44:40 +0200'>2024-08-31</span></td><td><a href='/guix/commit/gnu/packages/photo.scm?id=e3178b088a39e88e784ce6bac5785b414b808514'>gnu: Use 'gtk-doc/stable' in native-inputs instead of 'gtk-doc'.</a><span class='msg-avail'>...<span class='msg-tooltip'>Commit 9dea1618755891526f708aa335b4136c1302d16e only
replaced 'gtk-doc' with 'gtk-doc/stable' in the native-inputs
of some packages, but we may as well do this for all packages.

* gnu/packages/admin.scm (thermald) [native-inputs]:
Replace 'gtk-doc' with 'gtk-doc/stable'.
* gnu/packages/glib.scm (glib-with-documentation): Likewise.
* gnu/packages/mate.scm (mate-desktop, atril, caja-extensions)
(mate-utils, eom, engrampa, pluma, mate-polkit) [native-inputs]: Likewise.
* gnu/packages/messaging.scm
(libgnt, loudmouth) [native-inputs]: Likewise.
* gnu/packages/music.scm
(denemo, gsequencer) [native-inputs]: Likewise.
* gnu/packages/photo.scm (entangle) [native-inputs]: Likewise.
* gnu/packages/security-token.scm
(libu2f-host, libu2f-server) [native-inputs]: Likewise.
* gnu/packages/wm.scm (keybinder, keybinder-3.0)
[native-inputs]: Likewise.

Signed-off-by: Maxim Cournoyer &lt;maxim.cournoyer@gmail.com&gt;
Modified-by: Maxim Cournoyer &lt;maxim.cournoyer@gmail.com&gt;
Change-Id: I6c647ff1394e0a48bef0e6fb1ae43533673f1d79
</span></span></td><td>Maxime Devos</td></tr>
<tr><td><span title='2024-08-31 10:42:39 +0200'>2024-08-31</span></td><td><a href='/guix/commit/gnu/packages/photo.scm?id=924a4b0c66bfe2e8c5f2da83e77dc92853637a24'>gnu: photo: Add 'bash' input for 'wrap-program'.</a><span class='msg-avail'>...<span class='msg-tooltip'>It is required for cross-compilation.

* gnu/packages/photo.scm
(rapid-photo-downloader)[inputs]: Add 'bash-minimal'.
(perl-image-exiftool)[inputs]: Likewise.
(entangle)[inputs]: Likewise.

Signed-off-by: Maxim Cournoyer &lt;maxim.cournoyer@gmail.com&gt;
Change-Id: I843c7530ae24969660a00c0da7754e51475ea00d
</span></span></td><td>Maxime Devos</td></tr>
<tr><td><span title='2024-08-22 12:20:25 +0100'>2024-08-22</span></td><td><a href='/guix/commit/gnu/packages/photo.scm?id=7b107f3646457e7be134dbf2bffb9394f7a82034'>gnu: darktable: Update to 4.8.1.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/photo.scm (darktable): Update to 4.8.1.

Signed-off-by: Christopher Baines &lt;mail@cbaines.net&gt;
</span></span></td><td>Alex Devaure</td></tr>
<tr><td><span title='2024-07-18 10:44:57 +0800'>2024-07-18</span></td><td><a href='/guix/commit/gnu/packages/photo.scm?id=729222e7dfb825e63512fe4f52c902ba8337c442'>gnu: libraw: Update to 0.21.2.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/photo.scm (libraw): Update to 0.21.2.

Change-Id: I3cc19df1fcc8e3f51ea437d23ecee7130fd19cf3
</span></span></td><td>Zheng Junjie</td></tr>
<tr><td><span title='2024-07-03 09:30:09 -0500'>2024-07-03</span></td><td><a href='/guix/commit/gnu/packages/photo.scm?id=cf6f06b4461867f32d70354e8799516f991075e1'>gnu: darktable: Update to 4.8.0.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/photo.scm (darktable): Update to 4.8.0.

Change-Id: I36df2b5a96f24488ebc1c491571a954af14d9e3f
Signed-off-by: jgart &lt;jgart@dismail.de&gt;
</span></span></td><td>Alex Devaure</td></tr>
<tr><td><span title='2024-06-24 22:39:16 +0100'>2024-06-24</span></td><td><a href='/guix/commit/gnu/packages/photo.scm?id=78d946b01162fbe986c6768800e8cfd6e70e67e5'>gnu: rawtherapee: Update to 5.10.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/photo.scm (rawtherapee): Update to 5.10.
[inputs]: Add exiv2.

Change-Id: Ic97f77cfde1db4784500f49f90e9ffed1d8137b5
</span></span></td><td>Sharlatan Hellseher</td></tr>
<tr><td><span title='2024-05-21 08:54:08 +0300'>2024-05-21</span></td><td><a href='/guix/commit/gnu/packages/photo.scm?id=a1f1148dbd835ffa57077d67fd378098c35e2af1'>gnu: enblend-enfuse: Build with librsvg-for-system.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/photo.scm (enblend-enfuse)[native-inputs]: Replace
librsvg with librsvg-for-system.

Change-Id: I04e046191abf1e36cdbb42d50a5c5abab029edf1
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2024-03-09 11:30:23 +0800'>2024-03-09</span></td><td><a href='/guix/commit/gnu/packages/photo.scm?id=fd3e618cf0e351e6a1f2cf7e4585d7ff9490af7b'>gnu: darktable: Update to 4.6.1.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/photo.scm (darktable): Update to 4.6.1.

Change-Id: I2642b78036205c97c8183349fc809fcfec78f866
Signed-off-by: 宋文武 &lt;iyzsong@member.fsf.org&gt;
</span></span></td><td>Alex Devaure</td></tr>