[PATCH 1/6] Disallow predicating the prologue

[Bernd Schmidt]

On 04/01/2011 08:59 PM, H.J. Lu wrote:
> On Wed, Mar 23, 2011 at 7:45 AM, Bernd Schmidt <bernds@codesourcery.com> wrote:
>> With prologues appearing in blocks other than the entry block, ifcvt can
>> decide to predicate them. This is not a good idea, as dwarf2out will
>> blow up trying to handle predicated frame-related things.
>>
> 
> One of your changes breaks GCC bootstrap:
> 
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48403

I bootstrapped and tested on i686-linux, so it would be useful if you
could narrow it down.


Bernd