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Re: gcc trunk rev. 127646 breaks bootstrap during stage 3
On 8/20/07, Andrew Pinski <pinskia@gmail.com> wrote:
> On 8/20/07, Thomas Veith <xtv@veith-web.com> wrote:
> > Hi,
> >
> > when bootstrapping gcc trunk rev. 127646 with
> >
> > ./contrib/gcc_build -c "--prefix=/home/xtv
> > --enable-languages=c,c++,objc,fortran,obj-c++ --enable-bootstrap
> > --enable-decimal-float=bid --enable-checking" -d /home/xtv/gcc-devel/gcc
> > -o obj bootstrap
>
> This was caused by:
> 2007-08-20 Jakub Jelinek <jakub@redhat.com>
>
> PR c++/33025
> * init.c (build_new_1): Rename placement_var variable to placement_expr.
> Initialize it with save_expr rather than get_temp_regvar.
>
>
> The statement which we are gimplifying:
> <<<change_dynamic_type (struct __recursive_mutex *) &fake_mutex)>>>
>
> 5887 case CHANGE_DYNAMIC_TYPE_EXPR:
> 5888 ret = gimplify_expr (&CHANGE_DYNAMIC_TYPE_LOCATION (*expr_p),
> 5889 pre_p, post_p, is_gimple_reg, fb_lvalue);
>
>
> So why fb_lvalue?
Actually this is correct, we need a decl here as we need to mark that
for pointing to anything. Jakub, how did you test your patch again?
Thanks,
Andrew Pinski