On Mon, Jan 26, 2015 at 10:06:05AM +0100, Eric Botcazou wrote: > > While the cleanup_barriers runs after cleaning up BLOCK_FOR_INSNs, > > some targets like i?86/x86_64 choose to populate it again during machine > > reorg and some target don't free it at the end of machine reorg. > > This patch updates cleanup_barrier pass, so that it adjusts basic block > > boundaries and BLOCK_FOR_INSNs in that case, so that we don't crash during > > final pass. > > This isn't a recent regression so what about fixing it more "properly"? For > example, by calling free_bb_for_insn at the end of the machinre reorg passes > which called compute_bb_for_insn at the beginning? Or do the affected ports > need the BB info all the way down to final?
Yes, they do, that is why it crashed during final. Jakub