[llvm] [llvm][Tablegen][llvm-tblgen] Added keyword #undef to llvm-tblgen (PR #69135)

[zhao jiangtao via llvm-commits]

whousemyname wrote:

> I agree with you and would prefer you keep it open rather than close it because of one objection; the way forward is to have discussion and reach consensus, not abandon anything that has an initially-dissenting view. I disagree with Mehdi's view of how include should work, and that we must forbid people from doing potentially-useful things.

ok. Got you

https://github.com/llvm/llvm-project/pull/69135