[PATCH] D50232: Fix modules build with different technique to suppress Knuth debugging

[Tim Northover via Phabricator via llvm-commits]

t.p.northover added a comment.

Thanks for the comments. I've committed basically the original version of the https://reviews.llvm.org/D40404 (modulo `DEBUG` -> `LLVM_DEBUG` renaming) as r339009.


Repository:
  rL LLVM

https://reviews.llvm.org/D50232