[Bug rtl-optimization/56131] [4.8 regression] gcc.dg/pr56035.c ICEs gcc on sparc-linux

[steven at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56131

--- Comment #16 from Steven Bosscher <steven at gcc dot gnu.org> 2013-02-22 16:33:58 UTC ---
(In reply to comment #14)

Yes, iff the CFG hasn't been freed, looking at BLOCK_FOR_INSN is of
course OK. I was referring to the situation after freeing the CFG.

Adding that comment to insn-notes.def seems like a good idea.

The patch looks reasonable. Does it fix bug 56242?