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Re: [PATCH] dwarf.h: Remove non-existing DW_TAG_mutable_type.
- From: Mark Wielaard <mjw at redhat dot com>
- To: elfutils-devel at lists dot fedorahosted dot org
- Date: Thu, 19 Jun 2014 12:03:01 +0200
- Subject: Re: [PATCH] dwarf.h: Remove non-existing DW_TAG_mutable_type.
On Wed, 2014-06-18 at 11:48 -0700, Josh Stone wrote:
> On 06/18/2014 11:38 AM, Mark Wielaard wrote:
> > And a future version of DWARF might
> > use the number for a completely different purpose.
> The issue you linked says this:
> Remove DW_TAG_mutable_type from Appendix A (Figure 17)
> (Make sure not to reassign the number 0x3e to another tag.
> Perhaps we should leave the table entry in there with
> an "unused" marker in place of DW_TAG_mutable_type.
> So it seems they intend to leave that number out forever.
They might and that might be a good thing. Although I don't know of any
producer that ever produced it since it was for a concept that didn't
really exist in any language. Note that the extra comments didn't end up
in the final spec. All that was officially done was remove the name. All
I am proposing is we do the same since the name should never have been
there in the first place. I'll add a comment instead saying the value is