[llvm] [RemoveDIs] Load into new debug info format by default in LLVM (PR #89799)

[Stephen Tozer via llvm-commits]

SLTozer wrote:

> Another drive-by: in my local build I was able to reliably reproduce unittests failures with this commit for debug build with ` Assertion !NodePtr->isKnownSentinel()' failed.` assertion.

Which unit test(s), and what platform+build configuration were you using?

https://github.com/llvm/llvm-project/pull/89799