Bootstrap failure on irix6.5 possibly caused by new C++ parser?

[Graham Stott]

Kaveh R. Ghazi wrote:
>  > From: Mark Mitchell <mark@codesourcery.com>
>  > >
>  > > I'm already testing a patch which looks to fix the problem. It's past the
>  > > last point of failure and going well.
>  > 
>  > Cool.  Care to send it along, and I'll review it for you?
> 
> Me too, I'd like to see if it fixes the irix65 problem I have.
> 
> --
> Kaveh R. Ghazi			ghazi@caip.rutgers.edu
> 

Ok attached is rough patch for cp/parser.c without changelog because I'm
still treg testing here, It does fix the powerpc-eabi abort.

The patch works by storing the access_checks and declarator_access_checks
on a TREE_LIST for the duration of their active scope. I'm using a TREE_LIST
because assuming that the corresponding routines are recusive, otherwise I
could just make these global statics with GTY marker.

Cheers
Graham

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