[PATCH] D23031: [LinkerScript] Support OR of FLAGS in PHDR directives

[Rafael Espíndola via llvm-commits]

On 2 August 2016 at 17:47, Rui Ueyama <ruiu at google.com> wrote:
> If bfd linker actually accepts arbitrary expressions, I have no objection to
> support that in LLD. My comment to Rafael's patch is to update the comment
> -- passing 0 looks a bit odd but understandable, so I'd rather want you to
> mention in the comment that bfd supports arbitrary expressions so do we.

Will do, but note that it is a bit more than just odd. It means that things like

PHDRS
{
  ph_foo PT_LOAD FLAGS(. | 2);
}

SECTIONS
{
  .text : {*(.dynamic) } : ph_foo
}


will "work". Amusingly ld.bfd does it too, so it would actually be bug
for bug compatible.


Cheers,
Rafael