[llvm] [Analysis] Add Scalable field in MemoryLocation.h (PR #65759)

[Nikita Popov via llvm-commits]

nikic wrote:

I think if we support scalable LocationSize, we probably need to make getValue() return a TypeSize instead of plain uint64_t. That will force us to properly handle the scalable case everywhere (getting an assertion failure if we don't, rather than introducing a silent miscompile).

https://github.com/llvm/llvm-project/pull/65759