[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 #6 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
Author: ebotcazou
Date: Mon Mar 11 11:37:46 2019
New Revision: 269579

URL: https://gcc.gnu.org/viewcvs?rev=269579&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:
    trunk/gcc/testsuite/c-c++-common/unroll-6.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/loop-unroll.c
    trunk/gcc/testsuite/ChangeLog