[llvm] [DebugInfo] Add DILayerLoc/DILayerLocList and DILocation irlayers operand (PR #215666)

[Nikita Popov via llvm-commits]

nikic wrote:

> Seems like it's within margin of error?

The interesting results are not the clang builds, but the various `-g` configurations. Anything that is colored is likely statistically significant.

> Going to wait until Wednesday, if no other comments will merge Thursday.

I'd recommend waiting for an approval from a debuginfo expert (someone like @SLTozer, @OCHyams or @jmorse) before moving forward.

https://github.com/llvm/llvm-project/pull/215666