On Fri, Oct 4, 2013 at 11:54 AM, Jan Hubicka <hubi...@ucw.cz> wrote: >> I looked at this problem. Bug updated >> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58619 >> >> This is a bug when updating block during tree-inline. Basically, it is >> legal for *n to be NULL. E.g. When gimple_block(id->gimple_call) is >> NULL, remap_blocks_to_null will be called to set *n to NULL. > > The NULL in gimple_block (gimple_call) comes from the call introduced by > ipa-split?
That is correct. > I remember that ipa-split used to try to put the call into block since we was > ICEing > in similar ways previously, too. Perhaps this has changed with new BLOCK > representation? The new BLOCK representation does not change this. I think it makes sense to leave the block of newly introduced call_stmt as NULL because when it's inlined back, we don't want to add additional block layers. Dehao > > Honza
