Hi, On Wed, 12 Sep 2012, Richard Guenther wrote:
> >> It hides a bug. If we replace anything in BLOCK_VARS then the risk > >> is that you generate an infinite chain in some BLOCK_VARS list and > >> thus get infinite loops somewhere in the compiler. > > > > That's what I said for using SET_PREVAIL. But his hack would > > specifically not replace anything in TREE_CHAIN (and hence > > BLOCK_VARS), and indeed not check anything either. > > Hm, but we shouldn't end up streaming any BLOCKs at this point (nor > local TYPE_DECLs). Those are supposed to be in the local function > sections only where no fixup for prevailing decls happens. That's true, something is fishy with the patch, will try to investigate. Ciao, Michael.
