[Bug rtl-optimization/49994] [4.7 Regression] ICE: in maybe_record_trace_start, at dwarf2cfi.c:2234 with -fsched2-use-superblocks

[rth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49994

--- Comment #6 from Richard Henderson <rth at gcc dot gnu.org> 2011-08-12 21:00:17 UTC ---
Author: rth
Date: Fri Aug 12 21:00:00 2011
New Revision: 177721

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=177721
Log:
PR rtl-opt/49994
        * sched-init.h (struct deps_desc): Add sched_before_next_jump.
        * sched-deps.c (init_deps): Clear it.
        (deps_analyze_insn): Consume it.
        (sched_analyze_insn): Fill it.

Added:
    trunk/gcc/testsuite/gcc.dg/pr49994-1.c
    trunk/gcc/testsuite/gcc.dg/pr49994-2.c
    trunk/gcc/testsuite/gcc.dg/pr49994-3.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/sched-deps.c
    trunk/gcc/sched-int.h