[llvm] r227625 - Fix memory leak in WinEHPrepare introduced in r227405.

[Alexey Samsonov]

Author: samsonov
Date: Fri Jan 30 16:07:05 2015
New Revision: 227625

URL: http://llvm.org/viewvc/llvm-project?rev=227625&view=rev
Log:
Fix memory leak in WinEHPrepare introduced in r227405.

This leak was detected by ASan bootstrap of LLVM.

Modified:
    llvm/trunk/lib/CodeGen/WinEHPrepare.cpp

Modified: llvm/trunk/lib/CodeGen/WinEHPrepare.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/WinEHPrepare.cpp?rev=227625&r1=227624&r2=227625&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/WinEHPrepare.cpp (original)
+++ llvm/trunk/lib/CodeGen/WinEHPrepare.cpp Fri Jan 30 16:07:05 2015
@@ -20,13 +20,15 @@
 #include "llvm/IR/IRBuilder.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/Pass.h"
+#include <memory>
+
 using namespace llvm;
 
 #define DEBUG_TYPE "winehprepare"
 
 namespace {
 class WinEHPrepare : public FunctionPass {
-  FunctionPass *DwarfPrepare;
+  std::unique_ptr<FunctionPass> DwarfPrepare;
 
 public:
   static char ID; // Pass identification, replacement for typeid.