From: TERESH1 <svyatoslavtereshin@yandex.ru>
Date: Wed, 28 Dec 2022 22:03:20 +0000 (+0300)
Subject: add "no sanitize undefined" attribute with clang (#1827)
X-Git-Tag: v3.7.0~78
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8e47e56c9d629d26dee7d949836e2b87dc219351;p=thirdparty%2Flibarchive.git

add "no sanitize undefined" attribute with clang (#1827)

Issue #1826
---

diff --git a/libarchive/xxhash.c b/libarchive/xxhash.c
index f96e9d934..beacd2391 100644
--- a/libarchive/xxhash.c
+++ b/libarchive/xxhash.c
@@ -149,6 +149,10 @@ typedef struct _U32_S { U32 v; } _PACKED U32_S;
 
 #if GCC_VERSION >= 409
 __attribute__((__no_sanitize_undefined__))
+#else
+#  if defined(__clang__)
+__attribute__((no_sanitize("undefined")))
+#  endif
 #endif
 #if defined(_MSC_VER)
 static __inline U32 A32(const void * x)