[Bug rtl-optimization/85423] [8 Regression] ICE in code_motion_process_successors, at sel-sched.c:6403

[abel at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85423

--- Comment #5 from Andrey Belevantsev <abel at gcc dot gnu.org> ---
Author: abel
Date: Mon Apr 23 15:19:06 2018
New Revision: 259563

URL: https://gcc.gnu.org/viewcvs?rev=259563&root=gcc&view=rev
Log:
        PR rtl-optimization/85423

        * sel-sched-ir.c (has_dependence_note_mem_dep): Only discard
        dependencies to debug insns when the previous insn is non-debug.

        * gcc.dg/pr85423.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr85423.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/sel-sched-ir.c
    trunk/gcc/testsuite/ChangeLog