From abb59a262134987adf07b99d714efa51dcea170b Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Fri, 19 Jun 2020 21:45:09 +0300
Subject: [PATCH] Give up on UBSan for Hyperscan

---
 contrib/hyperscan-cmake/CMakeLists.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/contrib/hyperscan-cmake/CMakeLists.txt b/contrib/hyperscan-cmake/CMakeLists.txt
index a48d0932500..bc2f6c4e89d 100644
--- a/contrib/hyperscan-cmake/CMakeLists.txt
+++ b/contrib/hyperscan-cmake/CMakeLists.txt
@@ -221,6 +221,7 @@ if (ENABLE_HYPERSCAN)
         target_compile_options (hyperscan
             PRIVATE -g0 # Library has too much debug information
             -march=corei7 -O2 -fno-strict-aliasing -fno-omit-frame-pointer -fvisibility=hidden # The options from original build system
+            -fno-sanitize=undefined # Assume the library takes care of itself
         )
         target_include_directories (hyperscan
             PRIVATE