[lldb] [llvm] Add support for using foreign type units in .debug_names. (PR #87740)

[David Blaikie via llvm-commits]

dwblaikie wrote:

> It looks like the test is flaky: https://lab.llvm.org/buildbot/#/builders/59/builds/535
> 
> It looks like the order of the types is nondeterministic. I think you should be able to use CHECK-DAG along with [this trick to match newlines](https://llvm.org/docs/CommandGuide/FileCheck.html#matching-newline-characters) to make the test accept both orderings.

What are lldb's guarantees in this regard? Clang/LLVM/etc require nondeterministic output - presumably the same would be valuable to lldb, but I don't know what lldb's precedents are in this regard.

https://github.com/llvm/llvm-project/pull/87740