From 175625c8b8b1c535a8438e136903604584798c8d Mon Sep 17 00:00:00 2001
From: Matt Morehouse <mascasa@google.com>
Date: Thu, 14 Sep 2017 23:53:56 +0000
Subject: [PATCH] [MSan] Specify use-after-dtor default value in header.

llvm-svn: 313319
---
 clang/lib/Driver/SanitizerArgs.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/clang/lib/Driver/SanitizerArgs.cpp b/clang/lib/Driver/SanitizerArgs.cpp
index bf8d062..5d06f8c 100644
--- a/clang/lib/Driver/SanitizerArgs.cpp
+++ b/clang/lib/Driver/SanitizerArgs.cpp
@@ -491,9 +491,11 @@ SanitizerArgs::SanitizerArgs(const ToolChain &TC,
     MsanUseAfterDtor =
         Args.hasFlag(options::OPT_fsanitize_memory_use_after_dtor,
                      options::OPT_fno_sanitize_memory_use_after_dtor,
-                     false);
+                     MsanUseAfterDtor);
     NeedPIE |= !(TC.getTriple().isOSLinux() &&
                  TC.getTriple().getArch() == llvm::Triple::x86_64);
+  } else {
+    MsanUseAfterDtor = false;
   }
 
   if (AllAddedKinds & Thread) {
-- 
2.7.4