On June 23, 2014 6:15:10 PM CEST, Jan Hubicka <hubi...@ucw.cz> wrote: >> I don't like this very much. It's fragile and it will be very hard >to >> detect bugs caused by it. >> >> Please don't spread uses of the DECL_NONALIASED "hack". >> >> If we are only concerned about LTO I'd rather have a in_lto_p check >> in may_be_aliased and trust TREE_ADDRESSABLE there. > >I do not like it ether, but I tought it was outcome of the discussion >to use >it. > >I do not see how in_lto_p helps here, but we probably want to go for >the
If we are sure it is correctly set in lto1 it helps. >altnerative where ipa-visibility sets TREE_ADDRESSABLE for all external >variables and then we trust it unconditonally? That works for me, too. But at least add a checking assert that may-be-aliased is not invoked before that. Richard. > >Honza
