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From 54d87ffe4b34052f159ac5b72b250129ce813b2a Mon Sep 17 00:00:00 2001
From: Jakub Jelinek <jakub@redhat.com>
Date: Fri, 14 Feb 2020 12:33:27 +0100
Subject: [PATCH] backport: re PR sanitizer/92154 (new glibc breaks arm
bootstrap due to libsanitizer)
Backported from mainline
2019-10-22 Tamar Christina <tamar.christina@arm.com>
PR sanitizer/92154
* sanitizer_common/sanitizer_platform_limits_posix.cc:
Cherry-pick compiler-rt revision r375220.
---
--- a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc
+++ b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc
@@ -1147,8 +1147,12 @@ 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 !defined(__aarch64__) || !SANITIZER_LINUX || __GLIBC_PREREQ (2, 21)
+#if (!defined(__aarch64__) || !SANITIZER_LINUX || __GLIBC_PREREQ (2, 21)) && \
+ !defined(__arm__)
/* On aarch64 glibc 2.20 and earlier provided incorrect mode field. */
+/* On Arm glibc 2.31 and later provide a different mode field, this field is
+ never used by libsanitizer so we can simply ignore this assert for all glibc
+ versions. */
CHECK_SIZE_AND_OFFSET(ipc_perm, mode);
#endif
--
2.25.2
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