* support 0-D output and 0-D as indice in __getitem__

* fix tests

* fix inference and UT

* add unittest for setitem

* fix xpu test

* fix xpu 0-d

* test

* fix test error

* fix test error

* fix test error

* Fix _param_grad_names when like 'param@GRAD@GRAD'

* Add backend for to_static API

* remove zeros

* remove zeros

* apply gcc12 to py3

* apply gcc12 to py3

* fluid api clear

* fluid api clean

* fluid api clean

Co-authored-by: Nxiongkun <xiongkun03@baidu.com>

* fix_prim

* fix bug

* add note

* fix logic

* fix

* add note

* fix check

* fix bug

* fix bug

* fix bug

* add debug

* fix check

* fix bug

* sync print log

* fix test case

* change default

* support jit save with fuse

* add more check

* sync with pr 52120

* add more ut

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Co-authored-by: Ncyber-pioneer <chenzhuo@tju.edu.cn>