From 7c7342bf125ef2859d1dd7628ad5a494ffe315b9 Mon Sep 17 00:00:00 2001
From: sneaxiy <sneaxiy@126.com>
Date: Tue, 8 Jan 2019 03:33:13 +0000
Subject: [PATCH] fix scope.var() test=develop

---
 paddle/fluid/framework/scope.cc | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/paddle/fluid/framework/scope.cc b/paddle/fluid/framework/scope.cc
index a5742dbd3d..9536185609 100644
--- a/paddle/fluid/framework/scope.cc
+++ b/paddle/fluid/framework/scope.cc
@@ -87,11 +87,12 @@ Variable* Scope::Var(const std::string& name) {
 }
 
 Variable* Scope::Var(std::string* name) {
-  auto new_name = string::Sprintf("%p.%d", this, vars_.size());
+  SCOPE_VARS_WRITER_LOCK
+  auto new_name = std::to_string(reinterpret_cast<uintptr_t>(this)) + "." +
+                  std::to_string(vars_.size());
   if (name != nullptr) {
     *name = new_name;
   }
-  SCOPE_VARS_WRITER_LOCK
   return VarInternal(new_name);
 }
 
-- 
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