From 4881a23ca8127768c212ba271ca6ec4fe8930893 Mon Sep 17 00:00:00 2001
From: Matt Morehouse <mascasa@google.com>
Date: Wed, 20 Sep 2017 22:53:08 +0000
Subject: [MSan] Disable sanitization for __sanitizer_dtor_callback.

Summary:
Eliminate unnecessary instrumentation at __sanitizer_dtor_callback
call sites.  Fixes https://github.com/google/sanitizers/issues/861.

Reviewers: eugenis, kcc

Reviewed By: eugenis

Subscribers: vitalybuka, llvm-commits, cfe-commits, hiraditya

Differential Revision: https://reviews.llvm.org/D38063

llvm-svn: 313831
---
 clang/lib/CodeGen/CGClass.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'clang/lib/CodeGen')

diff --git a/clang/lib/CodeGen/CGClass.cpp b/clang/lib/CodeGen/CGClass.cpp
index 6a41110982f..1ebe5219cd1 100644
--- a/clang/lib/CodeGen/CGClass.cpp
+++ b/clang/lib/CodeGen/CGClass.cpp
@@ -1577,6 +1577,7 @@ namespace {
 
  static void EmitSanitizerDtorCallback(CodeGenFunction &CGF, llvm::Value *Ptr,
              CharUnits::QuantityType PoisonSize) {
+   CodeGenFunction::SanitizerScope SanScope(&CGF);
    // Pass in void pointer and size of region as arguments to runtime
    // function
    llvm::Value *Args[] = {CGF.Builder.CreateBitCast(Ptr, CGF.VoidPtrTy),
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