From b4b9438a2b370c9d18f3caebf36cf6ad074e7a71 Mon Sep 17 00:00:00 2001
From: Chen Weihang <chenweihang@baidu.com>
Date: Wed, 19 May 2021 15:47:43 +0800
Subject: [PATCH]  [Cherry-pick] add enforce check for set_value (#32972)
 (#32981)

cherry-pick of #32972
---
 paddle/fluid/pybind/imperative.cc | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/paddle/fluid/pybind/imperative.cc b/paddle/fluid/pybind/imperative.cc
index 450c992d411..231f7cfb1b5 100644
--- a/paddle/fluid/pybind/imperative.cc
+++ b/paddle/fluid/pybind/imperative.cc
@@ -710,6 +710,13 @@ void BindImperative(py::module *m_ptr) {
                imperative::NameVarBaseMap ins = {{"Input", {self}}};
                imperative::NameVarBaseMap outs = {{"Out", {self}}};
 
+               PADDLE_ENFORCE_EQ(
+                   self->IsLeaf() && !self->OverridedStopGradient(), false,
+                   platform::errors::InvalidArgument(
+                       "Leaf Tensor (%s) that doesn't stop gradient can't use "
+                       "inplace strategy.",
+                       self->Name()));
+
                auto value_tensor =
                    value_obj.cast<std::shared_ptr<imperative::VarBase>>();
                ins.insert({"ValueTensor", {value_tensor}});
-- 
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