[Bug rtl-optimization/43056] __builtin_prefetch causes ICE: in rtl_verify_flow_info, at cfgrtl.c:2205 with -fsched2-use-superblocks

[steven at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43056



Steven Bosscher <steven at gcc dot gnu.org> changed:



           What    |Removed                     |Added

----------------------------------------------------------------------------

   Last reconfirmed|2010-02-13 23:09:24         |2012-11-11 23:09:24

      Known to fail|                            |



--- Comment #4 from Steven Bosscher <steven at gcc dot gnu.org> 2012-11-11 
20:46:17 UTC ---

Not fixed by r151475, still fails at r193411.



t.c: In function 'foo':

t.c:5:1: internal compiler error: in begin_move_insn, at sched-ebb.c:205

 }

 ^

0xff9b0d begin_move_insn

        ../../trunk/gcc/sched-ebb.c:205

0xfa3e9b commit_schedule

        ../../trunk/gcc/haifa-sched.c:5647

0xfaeca4 schedule_block(basic_block_def**, void*)

        ../../trunk/gcc/haifa-sched.c:6429

0xff94e3 schedule_ebb(rtx_def*, rtx_def*, bool)

        ../../trunk/gcc/sched-ebb.c:547

0xff97af schedule_ebbs()

        ../../trunk/gcc/sched-ebb.c:666

0x9ce502 rest_of_handle_sched2

        ../../trunk/gcc/sched-rgn.c:3565

Please submit a full bug report,

with preprocessed source if appropriate.