[lld][LoongArch] Check that the relocation addend is zero before applying relaxation to R_LARCH_GOT_PC_{HI20,LO12}

[brad0]

/cherry-pick 4ec8503

[llvmbot]

@llvm/issue-subscribers-backend-loongarch

Author: Brad Smith (brad0)

/cherry-pick 4ec8503

[llvmbot]

@llvm/issue-subscribers-lld-elf

Author: Brad Smith (brad0)

/cherry-pick 4ec8503

[llvmbot]

Failed to cherry-pick: 4ec8503

https://github.com/llvm/llvm-project/actions/runs/16689738072

Please manually backport the fix and push it to your github fork. Once this is done, please create a pull request

[llvmbot]

Failed to cherry-pick: 4ec8503

https://github.com/llvm/llvm-project/actions/runs/16689759335

Please manually backport the fix and push it to your github fork. Once this is done, please create a pull request