On Mon, Dec 10, 2012 at 9:23 PM, Dehao Chen <de...@google.com> wrote: > Hi, > > The location_block patch has failed lto-bootstrap. This is fixed by a > bunch of fixes in trunk. But we would rather not spend too much effort > to back-port those fixes. So for now, we would disable streaming out > TREE_BLOCK as a workaround to solve to lto-bootstrap. > > Bootstrapped and passed crosstool tests. > > Okay for google-4_7?
Won't this break debugging information even more than it is already broken with LTO? Thanks, Andrew Pinski > > Thanks, > Dehao > > gcc/ChangeLog.google-4_7 > 2012-12-10 Dehao Chen <de...@google.com> > > * tree-streamer-out.c (write_ts_exp_tree_pointers): Disable > streaming out TREE_BLOCK. > Index: gcc/tree-streamer-out.c > =================================================================== > --- gcc/tree-streamer-out.c (revision 194378) > +++ gcc/tree-streamer-out.c (working copy) > @@ -667,7 +667,7 @@ write_ts_exp_tree_pointers (struct output_block *o > for (i = 0; i < TREE_OPERAND_LENGTH (expr); i++) > stream_write_tree (ob, TREE_OPERAND (expr, i), ref_p); > lto_output_location (ob, LOCATION_LOCUS (EXPR_LOCATION (expr))); > - stream_write_tree (ob, TREE_BLOCK (expr), ref_p); > + stream_write_tree (ob, NULL_TREE, ref_p); > }
