gentoo-overlay/dev-lang/gnat-gpl/files/gnat-gpl-2018-libsanitizer-p1.patch

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