From ce9568e9e9cf6094be30e748821421e703754ffc Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Fri, 8 Nov 2019 19:53:18 +0100 Subject: [PATCH] backport: re PR sanitizer/92154 (new glibc breaks arm bootstrap due to libsanitizer) Backported from mainline 2019-10-22 Tamar Christina Backported for version 5.3.0 <= gcc <= 6.5.0 2020-06-05 John L. Jolly PR sanitizer/92154 * sanitizer_common/sanitizer_platform_limits_posix.cc: Cherry-pick compiler-rt revision r375220. From-SVN: r277981 --- libsanitizer/ChangeLog | 9 +++++++++ .../sanitizer_common/sanitizer_platform_limits_posix.cc | 6 +++++- 2 files changed, 14 insertions(+), 1 deletion(-) diff --git a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc index 6cd4a5bac8b0..06a605ff4670 100644 --- a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc +++ b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc @@ -1130,8 +1130,12 @@ CHECK_SIZE_AND_OFFSET(ipc_perm, uid); #ifndef __GLIBC_PREREQ #define __GLIBC_PREREQ(x, y) 0 #endif -#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