commit:     13294ad1c51cc6f1921577c717aaba643226db08
Author:     Sergei Trofimovich <slyfox <AT> gentoo <DOT> org>
AuthorDate: Sun Jun 21 16:58:29 2020 +0000
Commit:     Sergei Trofimovich <slyfox <AT> gentoo <DOT> org>
CommitDate: Sun Jun 21 16:58:45 2020 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=13294ad1

dev-lang/gnat-gpl: backport libsanitizer fix to 2018

Reported-by: Agostino Sarubbo
Bug: https://bugs.gentoo.org/726752
Package-Manager: Portage-2.3.101, Repoman-2.3.22
Signed-off-by: Sergei Trofimovich <slyfox <AT> gentoo.org>

 .../files/gnat-gpl-2018-libsanitizer-p1.patch      | 32 ++++++++++++
 .../files/gnat-gpl-2018-libsanitizer-p2.patch      | 59 ++++++++++++++++++++++
 dev-lang/gnat-gpl/gnat-gpl-2018-r3.ebuild          |  2 +
 3 files changed, 93 insertions(+)

diff --git a/dev-lang/gnat-gpl/files/gnat-gpl-2018-libsanitizer-p1.patch 
b/dev-lang/gnat-gpl/files/gnat-gpl-2018-libsanitizer-p1.patch
new file mode 100644
index 00000000000..80cc074d7f3
--- /dev/null
+++ b/dev-lang/gnat-gpl/files/gnat-gpl-2018-libsanitizer-p1.patch
@@ -0,0 +1,32 @@
+From 54d87ffe4b34052f159ac5b72b250129ce813b2a Mon Sep 17 00:00:00 2001
+From: Jakub Jelinek <ja...@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.christ...@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
+

diff --git a/dev-lang/gnat-gpl/files/gnat-gpl-2018-libsanitizer-p2.patch 
b/dev-lang/gnat-gpl/files/gnat-gpl-2018-libsanitizer-p2.patch
new file mode 100644
index 00000000000..bdd8dcbe3d0
--- /dev/null
+++ b/dev-lang/gnat-gpl/files/gnat-gpl-2018-libsanitizer-p2.patch
@@ -0,0 +1,59 @@
+From dbdf86838aaaef76620c00c53096cfe157d5af6e Mon Sep 17 00:00:00 2001
+From: Jakub Jelinek <ja...@redhat.com>
+Date: Fri, 14 Feb 2020 12:38:30 +0100
+Subject: [PATCH] backport: re PR sanitizer/92154 (new glibc breaks arm
+ bootstrap due to libsanitizer)
+
+       Backported from mainline
+       2019-11-26  Jakub Jelinek  <ja...@redhat.com>
+
+       PR sanitizer/92154
+       * sanitizer_common/sanitizer_platform_limits_posix.h: Cherry-pick
+       llvm-project revision 947f9692440836dcb8d88b74b69dd379d85974ce.
+       * sanitizer_common/sanitizer_platform_limits_posix.cc: Likewise.
+---
+--- a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc
++++ b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc
+@@ -1147,12 +1147,9 @@ 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)) && \
+-    !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.  */
++#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
+ 
+--- a/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h
++++ b/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h
+@@ -210,20 +210,13 @@ namespace __sanitizer {
+     unsigned long __unused1;
+     unsigned long __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)
+-- 
+2.25.2
+

diff --git a/dev-lang/gnat-gpl/gnat-gpl-2018-r3.ebuild 
b/dev-lang/gnat-gpl/gnat-gpl-2018-r3.ebuild
index 7dbb27439ea..bb4782b8d4b 100644
--- a/dev-lang/gnat-gpl/gnat-gpl-2018-r3.ebuild
+++ b/dev-lang/gnat-gpl/gnat-gpl-2018-r3.ebuild
@@ -123,6 +123,8 @@ src_prepare() {
        EPATCH_EXCLUDE+=" 
95_all_libsanitizer-avoidustat.h-glibc-2.28-part-1.patch"
        EPATCH_EXCLUDE+=" 98_all_msp430-partial-int.patch"
        toolchain_src_prepare
+       eapply "${FILESDIR}"/${P}-libsanitizer-p1.patch
+       eapply "${FILESDIR}"/${P}-libsanitizer-p2.patch
 }
 
 src_configure() {

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