[Bug other/52937] [4.8 Regression] ICE in several cpu2006 benchmarks with -fprofile-use (assert in get_loop_body)

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52937

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |4.8.0

--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-04-12 
09:28:53 UTC ---
Hmpf.  Can you isolate the pass that causes this with

Index: gcc/passes.c
===================================================================
*** gcc/passes.c.orig   2012-03-16 15:13:32.000000000 +0100
--- gcc/passes.c        2012-03-16 15:14:17.000000000 +0100
*************** execute_function_todo (void *data)
*** 1732,1737 ****
--- 1732,1741 ----
      verify_gimple_in_cfg (cfun);
    if (flags & TODO_verify_flow)
      verify_flow_info ();
+   if (current_loops
+       /* Between IRA and reload loops are broken but preserved.  */
+       && (cfun->curr_properties & PROP_loops))
+     verify_loop_structure ();
    if (current_loops && loops_state_satisfies_p (LOOP_CLOSED_SSA))
      verify_loop_closed_ssa (false);
    if (flags & TODO_verify_rtl_sharing)

?