https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88018
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
CC| |jakub at gcc dot gnu.org
Assignee|unassigned at gcc dot gnu.org |jakub at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
A latent issue before that I guess.
The problem is we have a call which can throw, isn't marked noreturn, but is
followed by __builtin_unreachable () call. In RTL that is represented by the
bb having just EH edge and no fallthru edge.
The stack pass emits some insn(s) after such a call and calls
fixup_abnormal_edges to fix that up. fixup_abnormal_edges relies on the
presence of the fallthru edge though. I guess easiest would be just delete
those insns and not insert them on the fallthru edge (which doesn't exist).
