From 02cc80b30d5b5d6152171427ed8be8c8f91616e6 Mon Sep 17 00:00:00 2001
From: sneaxiy <sneaxiy@126.com>
Date: Tue, 5 Jun 2018 10:33:20 +0800
Subject: [PATCH] Fix dangling pointer bug

---
 paddle/fluid/framework/executor.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/paddle/fluid/framework/executor.cc b/paddle/fluid/framework/executor.cc
index 863053c32..3d68c5fb8 100644
--- a/paddle/fluid/framework/executor.cc
+++ b/paddle/fluid/framework/executor.cc
@@ -220,8 +220,10 @@ void Executor::Run(const ProgramDesc& program, Scope* scope,
       has_fetch_operators(program.Block(0), *fetch_targets, fetch_holder_name);
 
   ProgramDesc* copy_program = const_cast<ProgramDesc*>(&program);
+  std::unique_ptr<ProgramDesc> unique_ptr_of_copy_program;
   if (!has_feed_ops || !has_fetch_ops) {
-    copy_program = std::unique_ptr<ProgramDesc>(new ProgramDesc(program)).get();
+    unique_ptr_of_copy_program.reset(new ProgramDesc(program));
+    copy_program = unique_ptr_of_copy_program.get();
   }
 
   auto* global_block = copy_program->MutableBlock(0);
-- 
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