[llvm] [TableGen] Emit Debug code for dynamic bits(eg: instruction operands) in DecoderEmitter (PR #194699)

[Sergei Barannikov via llvm-commits]

s-barannikov wrote:

> Maybe enable this under an option that individual targets can opt in?

Or just include `#ifndef NDEBUG` in the generated code.

https://github.com/llvm/llvm-project/pull/194699