Re: [PATCH][PR tree-optimization/67892] Use FSM threader to handle backedges

[Jeff Law]

On 10/30/2015 07:57 AM, Andreas Schwab wrote:
I'm getting this regression on m68k:
FAIL: gcc.dg/tree-ssa/ssa-thread-11.c scan-tree-dump vrp2 "FSM"

The generated code looks equivalent, though.
How cool.  This test also shows the FSM bits creating an irreducible 
loop in cases where it's no likely profitable.

So two things to dig into now...

jeff