From: tb <tb@openbsd.org>
Date: Sun, 13 Aug 2023 12:25:12 +0000 (+0000)
Subject: Conditionally disable MSAN
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=b91cf01fdc67e34d6a02d9e15078b50e74167698;p=openbsd

Conditionally disable MSAN

from upstream
---

diff --git a/lib/libz/deflate.c b/lib/libz/deflate.c
index c60bb862a92..c9f13669ba4 100644
--- a/lib/libz/deflate.c
+++ b/lib/libz/deflate.c
@@ -175,6 +175,11 @@ local const config configuration_table[10] = {
  * bit values at the expense of memory usage). We slide even when level == 0 to
  * keep the hash table consistent if we switch back to level > 0 later.
  */
+#if defined(__has_feature)
+#  if __has_feature(memory_sanitizer)
+     __attribute__((no_sanitize("memory")))
+#  endif
+#endif
 local void slide_hash(deflate_state *s) {
     unsigned n, m;
     Posf *p;