[Bug rtl-optimization/89588] [8/9 Regression] ICE in unroll_loop_constant_iterations, at loop-unroll.c:498

[ebotcazou at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89588

--- Comment #7 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
Author: ebotcazou
Date: Mon Mar 11 11:40:11 2019
New Revision: 269580

URL: https://gcc.gnu.org/viewcvs?rev=269580&root=gcc&view=rev
Log:
        PR rtl-optimization/89588
        * loop-unroll.c (decide_unroll_constant_iterations): Make guard for
        explicit unrolling factor more robust.

Added:
    branches/gcc-8-branch/gcc/testsuite/c-c++-common/unroll-6.c
      - copied unchanged from r269579,
trunk/gcc/testsuite/c-c++-common/unroll-6.c
Modified:
    branches/gcc-8-branch/gcc/ChangeLog
    branches/gcc-8-branch/gcc/loop-unroll.c
    branches/gcc-8-branch/gcc/testsuite/ChangeLog