Lunny Xiao ef9a0370ca

Fix panic when diff (#9187) ...

* fix panic when diff

* improve code

2019-11-28 17:05:57 +08:00

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refs

Fix panic when diff (#9187)

2019-11-28 17:05:57 +08:00

HEAD

Fix panic when diff (#9187)

2019-11-28 17:05:57 +08:00