On Wed, Mar 05, 2014 at 07:40:06PM +0100, Jan Hubicka wrote:
> > gcc/cp/
> > * search.c (get_pure_virtuals): Set BINFO_ABSTRACT_P.
> > * tree.c (copy_binfo): Copy it.
>
> You need to also save and restre the flag in LTO streaming.
> I can prepare patch tomorrow if you preffer, thanks for looking into this!
It is TREE_ADDRESSABLE, isn't it streamed already?
> > --- a/gcc/tree.h
> > +++ b/gcc/tree.h
> > @@ -1804,6 +1804,9 @@ extern void protected_set_expr_location (tree,
> > location_t);
> > /* Nonzero means that the derivation chain is via a `virtual' declaration.
> > */
> > #define BINFO_VIRTUAL_P(NODE) (TREE_BINFO_CHECK (NODE)->base.static_flag)
> >
> > +/* Nonzero means that the base is an abstract class. */
> > +#define BINFO_ABSTRACT_P(NODE) (TREE_BINFO_CHECK
> > (NODE)->base.addressable_flag)
> > +
> > /* Flags for language dependent use. */
> > #define BINFO_MARKED(NODE) TREE_LANG_FLAG_0 (TREE_BINFO_CHECK (NODE))
> > #define BINFO_FLAG_1(NODE) TREE_LANG_FLAG_1 (TREE_BINFO_CHECK (NODE))
Jakub
