[lld] r288151 - [ELF] - Disable emiting multiple output sections when merging is disabled.

[George Rimar via llvm-commits]

>Long term I think the best fix for creating a single outputsection is to
>make merge synthetic sections. That way we produce a synthetic section
>for every case we currently produce an output section and then they get
>combined in a single output section.
>
>Cheers,
>Rafael

I'll try to implement this.

George.