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Re: stabilize switch labels for -fcompare-debug in vrp


On Wed, Oct 13, 2010 at 6:50 AM, Alexandre Oliva <aoliva@redhat.com> wrote:
> On Oct 11, 2010, Richard Guenther <richard.guenther@gmail.com> wrote:
>
>> On Mon, Oct 11, 2010 at 3:05 PM, Alexandre Oliva <aoliva@redhat.com> wrote:
>>> Using LABEL_DECL_UIDs instead of DECL_UIDs gets us a stable sort.
>
>> and if the labels get a different DECL_UID I see no reason why they
>> shouldn't get a different LABEL_DECL_UID.
>
>> So no, I don't think this is an improvement.
>
> Heh. ?It was actually your suggestion, although I hadn't seen it yet :-)
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44832#c35
>
> This is just bug 44832, whose fix hadn't been backported to 4.5. ?I'll
> test it and install it, unless I hear objections in the next 24 hours or
> so.

Ah indeed, that makes sense.

Richard.

> --
> Alexandre Oliva, freedom fighter ? ?http://FSFLA.org/~lxoliva/
> You must be the change you wish to see in the world. -- Gandhi
> Be Free! -- http://FSFLA.org/ ? FSF Latin America board member
> Free Software Evangelist ? ? ?Red Hat Brazil Compiler Engineer
>


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