[llvm] [DAG] SDPatternMatch - Replace runtime data structures with lengths known at compile time (PR #172064)

[Artur Bermond Torres via llvm-commits]

bermondd wrote:

I have no idea what might be causing this, but I'll look into it. Should we revert this while I try to find what's wrong?

https://github.com/llvm/llvm-project/pull/172064