Fix assertion failure in libsanitizer when using glibc 2.31 and later.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92154
https://reviews.llvm.org/D69104

Adapted from these upstream revision:

https://gcc.gnu.org/viewcvs/gcc?view=revision&revision=277981
https://gcc.gnu.org/viewcvs/gcc?view=revision&revision=279653

diff --git a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc
index 196eb3b3c64..b588e07e5ab 100644
--- a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc
+++ b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc
@@ -928,7 +928,11 @@ CHECK_SIZE_AND_OFFSET(ipc_perm, uid);
 CHECK_SIZE_AND_OFFSET(ipc_perm, gid);
 CHECK_SIZE_AND_OFFSET(ipc_perm, cuid);
 CHECK_SIZE_AND_OFFSET(ipc_perm, cgid);
+#if !SANITIZER_LINUX || __GLIBC_PREREQ (2, 31)
+/* glibc 2.30 and earlier provided 16-bit mode field instead of 32-bit
+   on many architectures.  */
 CHECK_SIZE_AND_OFFSET(ipc_perm, mode);
+#endif
 CHECK_SIZE_AND_OFFSET(ipc_perm, __seq);
 
 CHECK_TYPE_SIZE(shmid_ds);
diff --git a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h
index aec950454b3..6d94fc65c28 100644
--- a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h
+++ b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h
@@ -154,20 +154,13 @@ namespace __sanitizer {
     u64 __unused1;
     u64 __unused2;
 #elif defined(__sparc__)
-# if defined(__arch64__)
     unsigned mode;
-    unsigned short __pad1;
-# else
-    unsigned short __pad1;
-    unsigned short mode;
     unsigned short __pad2;
-# endif
     unsigned short __seq;
     unsigned long long __unused1;
     unsigned long long __unused2;
 #else
-    unsigned short mode;
-    unsigned short __pad1;
+    unsigned int mode;
     unsigned short __seq;
     unsigned short __pad2;
 #if defined(__x86_64__) && !defined(_LP64)
earch'/>
</form>
</td></tr></table>
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<tr><td><span title='2023-04-19 20:12:13 -0400'>2023-04-19</span></td><td><a href='/guix/commit/gnu/packages/potassco.scm?id=9df900341fa60f7a945bffd2ec00a59ece4d6f7b'>gnu: python-typing-extensions: Move to (gnu packages python-build).</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/python-xyz.scm (python-typing-extensions): Move to...
* gnu/packages/python-build.scm (python-typing-extensions): ... here.
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2023-04-02 11:19:21 +0200'>2023-04-02</span></td><td><a href='/guix/commit/gnu/packages/potassco.scm?id=2ebbe8e9df66d6607cafa38a79926e4c9ac0d151'>gnu: Add python-clingraph.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/potassco.scm (python-clingraph): New variable.
</span></span></td><td>Liliana Marie Prikler</td></tr>
<tr><td><span title='2023-04-02 11:19:21 +0200'>2023-04-02</span></td><td><a href='/guix/commit/gnu/packages/potassco.scm?id=383f1307c79b31f4915b3a16a5f450d4c529241b'>gnu: Separate potassco packages into their own module.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/potassco.scm: New file.
* gnu/packages/maths.scm (libpotassco, clasp, clingo, python-clingo)
(python-telingo): Move to potassco module.  Adjust imports accordingly.
* gnu/packages/emacs-xyz.scm (emacs-pasp-mode): Move to potassco module.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add %D%/packages/potassco.scm.
</span></span></td><td>Liliana Marie Prikler</td></tr>