[lld] [llvm] [llvm-readobj][ELF] Alter JSON/LLVM output on note sections to allow for multiple notes per section in JSON (PR #96813)

[Fangrui Song via llvm-commits]

MaskRay wrote:

> LGTM, but you may want to give @jh7370 a chance to weigh in again before landing.

Thanks for the update. LGTM but give @jh7370  a chance.

The example below `But is now:` in the description should be adjusted now that `ListScope L(W, "NoteSections");` is used.

The description will be used as the default commit message when "Squash and merge" is clicked. 

https://github.com/llvm/llvm-project/pull/96813