haoyang9804 opened a new pull request #10484:
URL: https://github.com/apache/tvm/pull/10484


   Focusing the problem in 
[here](https://discuss.tvm.apache.org/t/check-failed-value-0u-1-vs-0-at-relay-build/12223).
 I have make the following change to the codebase:
       In `TryConstFold<tir::Sub>`, which is needed for `negative` operator, I 
add a check about potential negative uint value: If minuend is of uint and it's 
value is 0 while the subtrahend is of uint, then the difference would be 
negative and of uint. This situation should be forbidden.


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