From 62e592e58b04617127619dc20b2b0c45c13eddf5 Mon Sep 17 00:00:00 2001
From: Superjom <superjom@gmail.com>
Date: Fri, 4 Aug 2017 17:17:04 +0800
Subject: [PATCH] fix ci error

---
 paddle/platform/enforce.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/paddle/platform/enforce.h b/paddle/platform/enforce.h
index 166d7032cd8..bc0715656a7 100644
--- a/paddle/platform/enforce.h
+++ b/paddle/platform/enforce.h
@@ -191,7 +191,7 @@ inline void throw_on_error(T e) {
 // if two values have different data types, choose a compatible type for them.
 template <typename T1, typename T2>
 struct CompatibleType {
-  static constexpr const bool& t1_to_t2 = std::is_convertible<T1, T2>::value;
+  static const bool t1_to_t2 = std::is_convertible<T1, T2>::value;
   typedef typename std::conditional<t1_to_t2, T2, T1>::type type;
 };
 
-- 
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