[Bug rtl-optimization/52250] [4.7 Regression] ICE: in sel_remove_bb, at sel-sched-ir.c:5213 with -fsel-sched-pipelining -fsel-sched-pipelining-outer-loops -fselective-scheduling2 and other flags

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52250

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jakub at gcc dot gnu.org

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-02-22 
16:45:03 UTC ---
Started with http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=179284
which doesn't seem to be related, so looks like a latent sel-sched bug.
The note the assert fails on is NOTE_INSN_DELETED, so one has to wonder why we
don't throw such notes away during the scheduling, or at least don't fail the
assertion on those.