[PR] [FFI] Enhance FFI Object exception safety during init [tvm]

["tqchen (via GitHub)" <gi...@apache.org>]

tqchen opened a new pull request, #18050:
URL: https://github.com/apache/tvm/pull/18050

   This PR enhances the exception safety of FFI Object during init. Specifically, when an error is thrown during init before __init_by_constructor chandle can be in a undefined state. Additionally, tools like pytest may try to call repr to get a string repr the object, causing segfault.
   
   This PR fixes the issue by always first initialize chandle to NULL and provide chandle=None special handling so pytest can be happy in such cases.


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Re: [PR] [FFI] Enhance FFI Object exception safety during init [tvm]

["spectrometerHBH (via GitHub)" <gi...@apache.org>]

spectrometerHBH merged PR #18050:
URL: https://github.com/apache/tvm/pull/18050


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