[llvm] [llvm][ScheduleDAG] SUnit::biasCriticalPath() does not find the criti... (PR #92368)

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csstormq wrote:

> This seems to break tests: http://45.33.8.238/linux/138572/step_11.txt
> 
> Please take a look and revert for now if it takes a while to fix.

OK. I will now check whether problems have been caused by my change. Please wait a moment.

https://github.com/llvm/llvm-project/pull/92368