[llvm] [Support] Add decodeULEB128AndInc/decodeSLEB128AndInc (PR #85739)

[Adrian Prantl via llvm-commits]

adrian-prantl wrote:

> have invested in it quite a bit, libObject being robust to corrupted/arbitrary inputs

That is very true. In fact we're adopting libObject more and more in LLDB and LLDB needs to be really resilient against invalid input, since it's very easy to get into a situation where it needs to parse information out of corrupted memory.

https://github.com/llvm/llvm-project/pull/85739