[Bug tree-optimization/70965] [7 Regression] ICE on released SSA name during IPA SRA

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70965

--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 40053
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40053&action=edit
gcc7-pr70965.patch

This untested patch fixes the ICE, but the question is if it is the right spot
to do that, or if gsi_remove (, true) shall do that, or just cleanup cfg shall
rebuild cgraph edges (under what conditions?) if it has done any changes, ...