[Bug rtl-optimization/68236] [6 Regression] selective scheduling with --param=sched-autopref-queue-depth=10 ICEs a lot @ aarch64

[clyon at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68236

--- Comment #5 from Christophe Lyon <clyon at gcc dot gnu.org> ---
Author: clyon
Date: Fri Apr  1 17:35:12 2016
New Revision: 234680

URL: https://gcc.gnu.org/viewcvs?rev=234680&root=gcc&view=rev
Log:
        Backport from mainline r230088

        2015-11-10  Kyrylo Tkachov  <kyrylo.tkac...@arm.com>

        PR rtl-optimization/68236
        * haifa-sched.c (autopref_multipass_dfa_lookahead_guard): Return 0
        if insn_queue doesn't exist.
        (haifa_sched_finish): Reset insn_queue to NULL.


Modified:
    branches/gcc-5-branch/gcc/ChangeLog
    branches/gcc-5-branch/gcc/haifa-sched.c