From 6935b78e6f3b7dca7786041c56c9a795d2247659 Mon Sep 17 00:00:00 2001
From: Nick Lewycky <nicholas@mxc.ca>
Date: Mon, 21 Nov 2011 18:32:21 +0000
Subject: [PATCH] Add virtual destructor. Whoops!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145044 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/Analysis/CaptureTracking.h | 2 ++
 lib/Analysis/CaptureTracking.cpp        | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/include/llvm/Analysis/CaptureTracking.h b/include/llvm/Analysis/CaptureTracking.h
index b49646b2a25..01eca6041ea 100644
--- a/include/llvm/Analysis/CaptureTracking.h
+++ b/include/llvm/Analysis/CaptureTracking.h
@@ -37,6 +37,8 @@ namespace llvm {
   /// addition to the interface here, you'll need to provide your own getters
   /// to see whether anything was captured.
   struct CaptureTracker {
+    virtual ~CaptureTracker();
+
     /// tooManyUses - The depth of traversal has breached a limit. There may be
     /// capturing instructions that will not be passed into captured().
     virtual void tooManyUses() = 0;
diff --git a/lib/Analysis/CaptureTracking.cpp b/lib/Analysis/CaptureTracking.cpp
index 9be00971dc6..03bd70dfa34 100644
--- a/lib/Analysis/CaptureTracking.cpp
+++ b/lib/Analysis/CaptureTracking.cpp
@@ -19,6 +19,8 @@
 #include "llvm/Analysis/CaptureTracking.h"
 using namespace llvm;
 
+CaptureTracker::~CaptureTracker() {}
+
 namespace {
   struct SimpleCaptureTracker : public CaptureTracker {
     explicit SimpleCaptureTracker(bool ReturnCaptures)