From fbc11e8aecde224fb0884bd0a7a20621f9e3b75d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Harrtell?=
 <bjornharrtell@users.noreply.github.com>
Date: Fri, 18 Oct 2019 00:47:51 +0200
Subject: [PATCH] Avoid intentional unsigned integer overflow getting caught by
 sanitizers (#5572)

* Avoid intentional unsigned integer overflow getting caught by sanitizers

* Adapt from suggested compiler compatible solution

* And a third way :)
---
 include/flatbuffers/flatbuffers.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/flatbuffers/flatbuffers.h b/include/flatbuffers/flatbuffers.h
index 228c879ab..a4acdf96a 100644
--- a/include/flatbuffers/flatbuffers.h
+++ b/include/flatbuffers/flatbuffers.h
@@ -2230,6 +2230,7 @@ class Verifier FLATBUFFERS_FINAL_CLASS {
     return true;
   }
 
+  __supress_ubsan__("unsigned-integer-overflow")
   bool VerifyTableStart(const uint8_t *table) {
     // Check the vtable offset.
     auto tableo = static_cast<size_t>(table - buf_);