[llvm] Add debuginfo C support for a SetType, Subrangetype, dynamic array type and replace arrays (PR #135607)

[Tom Tromey via llvm-commits]

tromey wrote:

> I can see that in `DwarfUnit::constructSubrangeDIE` `DIExpression` s are valid for lowerBound, upperBound, stride and bias... but I can't see any LLVM tests that exercise those. That's not something you need to address with this commit, but I thought it worth bringing up as I was going to ask "is this actually a supported configuration", and found that by digging about.

Sorry about not adding tests for that.  Expressions in this context are needed by Ada but I haven't yet implemented that in gnat-llvm.

https://github.com/llvm/llvm-project/pull/135607