[Bug fortran/85544] [7/8/9 Regression] ICE in gfc_conv_scalarized_array_ref, at fortran/trans-array.c:3385

[tkoenig at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85544

--- Comment #11 from Thomas Koenig <tkoenig at gcc dot gnu.org> ---
Author: tkoenig
Date: Sat Dec 22 19:19:14 2018
New Revision: 267355

URL: https://gcc.gnu.org/viewcvs?rev=267355&root=gcc&view=rev
Log:
2018-12-22  Thomas Koenig  <tkoe...@gcc.gnu.org>

        Backport from trunk
        PR fortran/85544
        * frontend-passes.c (optimize_power): Remove.
        (optimize_op): Remove call to optimize_power.
        * trans-expr.c (gfc_conv_power_op): Handle cases of 1**integer,
        (2|4|8|16) ** integer and (-1) ** integer.

2018-12-22  Thomas Koenig  <tkoe...@gcc.gnu.org>

        Backport from trunk
        PR fortran/85544
        * gfortran.dg/power_7.f90: New test.


Added:
    branches/gcc-8-branch/gcc/testsuite/gfortran.dg/power_7.f90
Modified:
    branches/gcc-8-branch/gcc/fortran/ChangeLog
    branches/gcc-8-branch/gcc/fortran/frontend-passes.c
    branches/gcc-8-branch/gcc/fortran/trans-expr.c
    branches/gcc-8-branch/gcc/testsuite/ChangeLog