On Jun 20, 2012, Alexandre Oliva <aol...@redhat.com> wrote:

> When promote_debug_loc was first introduced, it would never be called
> with a NULL loc list.  However, because of the strategy of temporarily
> resetting loc lists before recursion introduced a few months ago in
> alias.c, the earlier assumption no longer holds.

> This patch adusts promote_debug_loc to deal with this case.

> Ok to install?

Unless there are objections in the next 24 hours, I'm going to install
this in the 4.7 branch too.  Regstrapped on x86_64-linux-gnu and
i686-linux-gnu.

> for  gcc/ChangeLog
> from  Alexandre Oliva  <aol...@redhat.com>

>       PR debug/53682
>       * cselib.c (promote_debug_loc): Don't crash on NULL argument.

-- 
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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