[bugfix][frontend][keras] Fix go_backwards attribute of LSTM in keras frontend #15261
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Hzfengsy
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Jul 8, 2023
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This PR fixed the bug proposed in #15176 and added bug-triggering test cases.
If
go_backwards=True, the LSTM layer processes the input sequence backward and returns the reversed sequence.Missing the support for
go_backwardswill lead to wrong inference results in TVM.cc @Hzfengsy @echuraev