[Bug tree-optimization/83293] [8 regression] ICE: in gsi_insert_seq_nodes_after, at gimple-iterator.c:278

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83293

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #2)
> Created attachment 42799 [details]
> gcc8-pr83293.patch
> 
> Untested fix.  The gsi is unused afterwards, but we don't have a
> GSI_DONT_CARE
> and GSI_SAME_STMT is invalid if the bb was empty and we gsi_insert_after
> with GSI_SAME_STMT.  Another possibility would be to change
> if (!gsi_end_p (gsi) && stmt_ends_bb_p (gsi_stmt (gsi)))
> to
> if (gsi_end_p (gsi) || stmt_ends_bb_p (gsi_stmt (gsi)))

Looks good.