[llvm] r249522 - [X86] Emit .cfi_escape GNU_ARGS_SIZE when adjusting the stack before calls

[Joerg Sonnenberger via llvm-commits]

On Sun, Oct 11, 2015 at 10:57:08AM +0000, Kuperstein, Michael M via llvm-commits wrote:
> Err, I'm sorry, that's wrong - Darwin shouldn't change code generation based on -g either.
> 
> So, that means I see the following options:
> 
> 1) Always force FP for -Os. 
> This (and please correct me if I'm wrong) should fix all functional problems, including Darwin, but looks really drastic.

I'm not convinced this actually helps size in all or even most cases.

Joerg