[llvm] [llvm-dwarfdump] Add a null-check in `prettyPrintBaseTypeRef`. (PR #93156)

[David Blaikie via llvm-commits]

dwblaikie wrote:

> Unfortunately, I am not aware of any way to reliably generate specific .debug_loclists contents (that include a base type reference) from within the testfile.

Where'd you get the binary from? Could you rerun that compilation with -S to get assembly code instead, then check that in (and assemble it with llvm-mc inside the test - you can see other symbolizer tests that do this in the related directories)

https://github.com/llvm/llvm-project/pull/93156