[llvm] [NVPTX] mangle symbols in debug info to conform to PTX restrictions. (PR #113216)

[David Blaikie via llvm-commits]

dwblaikie wrote:

> @dwblaikie Do you have any concerns about this approach?

Had a quick glance, nothing stands out & I don't think I have enough NVPTX understanding to really validate the design/approach or implementation. But no obvious red flags, at least...

https://github.com/llvm/llvm-project/pull/113216