From 0af8549750b6f7b2da8b05aa3d916b7ca79319c0 Mon Sep 17 00:00:00 2001
From: Zeng Jinle <32832641+sneaxiy@users.noreply.github.com>
Date: Mon, 2 Sep 2019 09:17:58 +0800
Subject: [PATCH] fix seg fault of share lod, test=develop (#19573)

---
 paddle/fluid/framework/operator.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/paddle/fluid/framework/operator.cc b/paddle/fluid/framework/operator.cc
index 9bd70d46046..42e70d9cb0d 100644
--- a/paddle/fluid/framework/operator.cc
+++ b/paddle/fluid/framework/operator.cc
@@ -648,7 +648,7 @@ class RuntimeInferShapeContext : public InferShapeContext {
     Variable* out_var = out_it->second.at(j);
     PADDLE_ENFORCE(out_var->IsType<LoDTensor>(),
                    "The %d-th output of Output(%s) must be LoDTensor.", j, out);
-    auto in_tensor = in_var->Get<LoDTensor>();
+    auto& in_tensor = in_var->Get<LoDTensor>();
     auto* out_tensor = out_var->GetMutable<LoDTensor>();
     out_tensor->set_lod(in_tensor.lod());
 
-- 
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