[Bug rtl-optimization/83972] ICE in code_motion_process_successors, at sel-sched.c:6398

[abel at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83972

--- Comment #4 from Andrey Belevantsev <abel at gcc dot gnu.org> ---
Author: abel
Date: Mon Apr  9 10:19:50 2018
New Revision: 259231

URL: https://gcc.gnu.org/viewcvs?rev=259231&root=gcc&view=rev
Log:
       PR rtl-optimization/80463
       PR rtl-optimization/83972
       PR rtl-optimization/83480

       * sel-sched-ir.c (has_dependence_note_mem_dep): Take into account the
       correct producer for the insn.
       (tidy_control_flow): Fixup seqnos in case of debug insns.

       * gcc.dg/pr80463.c: New test.
       * g++.dg/pr80463.C: Likewise.
       * gcc.dg/pr83972.c: Likewise.


Added:
    trunk/gcc/testsuite/g++.dg/pr80463.C
    trunk/gcc/testsuite/gcc.dg/pr80463.c
    trunk/gcc/testsuite/gcc.dg/pr83972.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/sel-sched-ir.c
    trunk/gcc/testsuite/ChangeLog