RFC: Should the linker support '--fast' and if so, what should it do ?

[Nick Clifton]

Hi Fangrui,

> We can reuse -O for this purpose...
> 
> In ld.lld, -O1 is the default.
> 
> -O0 disables constant merge of SHF_MERGE.
> 
> -O2 enables some computation heavy size optimization:
> 
> enable string suffix merge of SHF_MERGE|SHF_STRINGS. This is very slow
> and not parallel.
> --compress-debug-sections=zlib uses zlib compression with higher
> compression ratio.

I rather like this idea.  I will take a look into it.  Thanks.

Cheers
   Nick