ethdebug: Improve current testing infra

[djolertrk]

Handle multiple things ethdebug related:

• Add LLVM lit tests (this could be interesting for codegen tests as well)

  $ lit -sv test/lit --param solc=build/solc/solc

• Emit schema-compliant compilation resources so we can execute first "round-trip-tests" in producer (here) and in consumer soldb via conformance tests added into the format repo
• Validate ETHDebug output against pinned schemas

[nikola-matic]

As discussed earlier, can you please migrate the llvm-lit test to the new ethdebug isoltest (#16675 - merged this morning)?

I'll be doing some follow up tasks regarding the ethdebug isoltest, so feel free to let me know if you have any requests :)

[nikola-matic]

You should be able to get rid of all of these (brink, ens and prb-math), i.e. just drop the commits after a rebase - I fixed these some time ago.

[djolertrk]

Very nice, I will do it.

[djolertrk]

As discussed earlier, can you please migrate the llvm-lit test to the new ethdebug isoltest (#16675 - merged this morning)?

I'll be doing some follow up tasks regarding the ethdebug isoltest, so feel free to let me know if you have any requests :)

Hi @nikola-matic, thanks for the feedback! Yes sure! I will do it, and also include into CI the ethdebug compilation overhead (almost ready), and of course, if something is missing in the ethdebug isoltest, I will let you know.

And just to confirm, we do not want to include llvm lit at all in this PR, right?

[nikola-matic]

And just to confirm, we do not want to include llvm lit at all in this PR, right?

Correct - team is very much used to the isoltest way of doing things, and reviewing will go much smoother with isoltest instead of llvm-lit for the time being.