[PATCH][LTO] Fix PR48437

[Richard Guenther]

On Wed, 7 Dec 2011, Diego Novillo wrote:

> On 12/07/11 09:52, Richard Guenther wrote:
> 
> > Index: gcc/lto-streamer-out.c
> > ===================================================================
> > *** gcc/lto-streamer-out.c	(revision 182081)
> > --- gcc/lto-streamer-out.c	(working copy)
> > *************** tree_is_indexable (tree t)
> > *** 129,134 ****
> > --- 129,144 ----
> >      else if (TREE_CODE (t) == VAR_DECL&&  decl_function_context (t)
> >    	&&  !TREE_STATIC (t))
> >        return false;
> > +   /* If this is a decl generated for block local externs for
> > +      debug info generation, stream it unshared alongside BLOCK_VARS.  */
> > +   else if (VAR_OR_FUNCTION_DECL_P (t)
> > + 	   /* ???  The following tests are a literal match on what
> > + 	      c-decl.c:pop_scope does.  */
> 
> Factor it into a common routine then?

pop_scope of course _sets_ the values that way, it doesn't test them.

Richard.