[lld] [lld][ELF] Introduce an option to keep data section prefix. (PR #148985)

[Mingming Liu via llvm-commits]

https://github.com/mingmingl-llvm commented:

> I had to rename the incorrect file from keep-text-section-prefix.s (when the option is actually keep-data-section-prefix), and now the tests require significant adjustments, which will clutter the commit history....

ah thanks for the renaming! Sorry for the mistaken filenames..

> In the past, changes to areas I care about, like lld and MC, were sometimes approved and landed before their implications were fully thought through, requiring me to revise them later.

I can definitely understand that premature merges can be frustrating, leading to extra work for you. I'll make it a priority to get explicit sign-off especially when changes are requested. 

https://github.com/llvm/llvm-project/pull/148985