[llvm] [JITLink][AArch32] Unittest for error paths of readAddend and applyFixup functionality (PR #69636)

[Stefan Gränitz via llvm-commits]

https://github.com/weliveindetail commented:

Thanks! Our opcode checks are not exhaustive. It's rather smoke checks. The goal is to raise a flag when we get code that we cannot handle yet. Up to you to fix the Jump24 constant here or in a separate PR (of leave it to me if you wish). Two comments with more detail inline:

https://github.com/llvm/llvm-project/pull/69636