Backport 06a728f3feab876f9195738b5774e82dadc0f3a7 to release/18.x

[SixWeining]

/cherry-pick 06a728f

As LoongArch gcc/binutils have began generating relax relocations for about 1 year, lld needs this PR so that it can link fundamental system objects (such as Scrt1.o). People have reached a consensus about this cherry-picking (See #78692).

[llvmbot]

/pull-request #80790

[llvmbot]

@llvm/issue-subscribers-lld-elf

Author: Lu Weining (SixWeining)

/cherry-pick 06a728f

As LoongArch gcc/binutils have began generating relax relocations for about 1 year, lld needs this PR so that it can link fundamental system objects (such as Scrt1.o). People have reached a consensus about this cherry-picking (See #78692).

[SixWeining]

Hi @tstellar, do you know why this issue was closed while #80790 is still open?