[llvm] [Object] Handle SHT_CREL relocation sections when resolving relocation data (PR #141843)

[Fangrui Song via llvm-commits]

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+# Test llvm-dwarfdump handles CREL relocation sections correctly.
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MaskRay wrote:

Can simplify with llvm/utils/update_test_body.py

Actually, instead of creating yet another complex test case, perhaps pick an existing one and add crel RUN

https://github.com/llvm/llvm-project/pull/141843