[Bug tree-optimization/81374] [8 Regression] ICE in bb_top_order_cmp, at tree-loop-distribution.c:391

[amker at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81374

--- Comment #2 from amker at gcc dot gnu.org ---
Okay, so bb_top_order_index_size should be inittialized to
last_basic_block_for_fn, rather than number of basic blocks since we don't
reuse index of deleted basic block.  I am testing a patch.