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Re: [Patch Darwin/Objc] Fix PR 48094.
- From: Mike Stump <mikestump at comcast dot net>
- To: Iain Sandoe <iain at codesourcery dot com>
- Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>, Jan Hubicka <hubicka at ucw dot cz>
- Date: Sun, 18 Aug 2013 14:46:04 -0700
- Subject: Re: [Patch Darwin/Objc] Fix PR 48094.
- References: <41A70CF4-731E-4D96-AADF-0277FEC485C9 at codesourcery dot com>
On Aug 18, 2013, at 12:52 PM, Iain Sandoe <iain@codesourcery.com> wrote:
> The PR is a(nother) bad interaction between [Darwin/NeXT] ObjC meta-data and LTO.
>
> So the fix proposed does this:
>
> (i) removes the generation of this meta-data from the ObjC FE.
> (ii) make LTO recognise the relevant c/l switches.
> (iii) detect the presence of ObjC/ObjC++ [classes or other metadata] during code-gen.
> (iv) When objc is detected emit the ImageInfo section from the backend.
> OK for trunk, and open branches?
Ok.