> 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? -- Eric Botcazou
