On 4/28/2021 1:59 AM, Richard Biener wrote:
This makes sure to fall into the delete_unreachable_blocks_update_callgraph
handling to remove blocks becoming unreachable when removing EH edges
by tracking blocks to need EH cleanup and doing that after releasing
dominance info.
This fixes an ICE seen with gfortran.dg/gomp/pr88933.f90 when enhancing
DSE.
2021-04-28 Richard Biener <rguent...@suse.de>
PR ipa/100308
* ipa-prop.c (ipcp_modif_dom_walker::before_dom_children):
Track blocks to cleanup EH in new m_need_eh_cleanup.
(ipcp_modif_dom_walker::cleanup_eh): New.
(ipcp_transform_function): Release dominator info before
doing EH cleanup.
OK. Though I'd really like us to revisit some of Aldy's work which was
meant to have a standardized way to do this which was automatic rather
than have each pass roll its own, slightly different, ways to clean up
dead EH edges.
Jeff
