add check whether tensor is inplace and leaf when calculate gradient #37931
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chenwhql
approved these changes
Dec 8, 2021
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Describe
PyLayer中， 增加了在Inplace 策略下，输入tensor 的stop_gradient为false 且同时为叶子节点的情况进行检查报错的逻辑。
该逻辑和现有Op 的Inplace 策略保持了一致。