Fixes a possible buffer overflow.  (There are others)
Author: Danny Milosavljevic <dannym@scratchpost.org>
Date: 2020-11-16

--- a/gcc/gimplify.c.orig	2020-10-29 08:45:11.532479774 +0100
+++ b/gcc/gimplify.c	2020-10-29 08:45:49.584637018 +0100
@@ -5229,7 +5229,7 @@
 	     flexibility, split it into separate input and output
  	     operands.  */
 	  tree input;
-	  char buf[10];
+	  char buf[12];
 
 	  /* Turn the in/out constraint into an output constraint.  */
 	  char *p = xstrdup (constraint);
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<div class='path'>path: <a href='/guix/log/?id=4c93818392fcfce9238816c232b6d58cc64ecd8a'>root</a>/<a href='/guix/log/gnu?id=4c93818392fcfce9238816c232b6d58cc64ecd8a'>gnu</a>/<a href='/guix/log/gnu/services?id=4c93818392fcfce9238816c232b6d58cc64ecd8a'>services</a>/<a href='/guix/log/gnu/services/authentication.scm?id=4c93818392fcfce9238816c232b6d58cc64ecd8a'>authentication.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/services/authentication.scm?id=4c93818392fcfce9238816c232b6d58cc64ecd8a&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2019-04-24 22:21:35 +0200'>2019-04-24</span></td><td><a href='/guix/commit/gnu/services/authentication.scm?id=9374cbd1fb29395a5e849e95e8a249e5f9f944c0'>services: fprintd: Provide polkit policy.</a><span class='msg-avail'>...</span></td><td>Danny Milosavljevic</td></tr>
<tr><td><span title='2019-04-21 10:40:19 +0200'>2019-04-21</span></td><td><a href='/guix/commit/gnu/services/authentication.scm?id=dc01978288318a8155e2e2657be9b278a754ebac'>services: fprintd: Use define-configuration.</a><span class='msg-avail'>...</span></td><td>Danny Milosavljevic</td></tr>
<tr><td><span title='2019-04-17 08:51:11 +0200'>2019-04-17</span></td><td><a href='/guix/commit/gnu/services/authentication.scm?id=0682f084635cdc289aabafc4b2583639e00a28b3'>services: fprintd: Fix service.</a><span class='msg-avail'>...</span></td><td>Danny Milosavljevic</td></tr>
<tr><td><span title='2019-03-20 20:31:15 +0100'>2019-03-20</span></td><td><a href='/guix/commit/gnu/services/authentication.scm?id=c16423f143919916a5273761d7ed29bd49f14519'>services: Add nslcd-service-type.</a><span class='msg-avail'>...</span></td><td>Ricardo Wurmus</td></tr>