From 07b6bcc28573fd5f7ac34ed2489e7af30acd3ee2 Mon Sep 17 00:00:00 2001
From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Thu, 18 Jan 2018 14:19:04 +0000
Subject: [PATCH] [HWAsan] Fix uninitialized variable.

Found by msan.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@322847 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Transforms/Instrumentation/HWAddressSanitizer.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp b/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp
index 15d97b3ae6f..df2fe37a6d4 100644
--- a/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp
+++ b/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp
@@ -186,6 +186,7 @@ bool HWAddressSanitizer::doInitialization(Module &M) {
   IntptrTy = IRB.getIntPtrTy(DL);
   Int8Ty = IRB.getInt8Ty();
 
+  HwasanCtorFunction = nullptr;
   if (!ClEnableKhwasan) {
     std::tie(HwasanCtorFunction, std::ignore) =
         createSanitizerCtorAndInitFunctions(M, kHwasanModuleCtorName,
-- 
2.11.0