[Bug tree-optimization/79472] [7 Regression] x86-64: Switch table generation fails if default case has different code

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79472

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 40726
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40726&action=edit
gcc7-pr79472-wip.patch

Untested WIP patch.  I believe I still don't handle the PHIs right in the
non-standard default case if there are any phis involved (not in the case of
abort of course or when it doesn't fall through to final_bb at all).
Guess I need to write some testcases first.