[llvm-branch-commits] [llvm] [FileCheck] Improve printing variables with escapes (PR #145865)

[Mészáros Gergely via llvm-branch-commits]

Maetveis wrote:

I separated the pre-commit test to https://github.com/llvm/llvm-project/pull/145906

https://github.com/llvm/llvm-project/pull/145865