From: Vedant Kumar <vsk@apple.com>
Date: Fri, 16 Jun 2017 18:38:43 +0000 (+0000)
Subject: [ubsan] docs: Add a note about pointers to volatile
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=ed8e5501791a53bd4d7b39e0b124e04c92ba12fa;p=clang

[ubsan] docs: Add a note about pointers to volatile

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@305568 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/docs/UndefinedBehaviorSanitizer.rst b/docs/UndefinedBehaviorSanitizer.rst
index ea776a7704..85dd549baa 100644
--- a/docs/UndefinedBehaviorSanitizer.rst
+++ b/docs/UndefinedBehaviorSanitizer.rst
@@ -148,6 +148,12 @@ You can also use the following check groups:
      nullability does not have undefined behavior, it is often unintentional,
      so UBSan offers to catch it.
 
+Volatile
+--------
+
+The ``null``, ``alignment``, ``object-size``, and ``vptr`` checks do not apply
+to pointers to types with the ``volatile`` qualifier.
+
 Stack traces and report symbolization
 =====================================
 If you want UBSan to print symbolized stack trace for each error report, you