https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85544
--- Comment #14 from Thomas Koenig <tkoenig at gcc dot gnu.org> --- Author: tkoenig Date: Sat Dec 22 20:16:22 2018 New Revision: 267360 URL: https://gcc.gnu.org/viewcvs?rev=267360&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-7-branch/gcc/testsuite/gfortran.dg/power_7.f90 Modified: branches/gcc-7-branch/gcc/fortran/ChangeLog branches/gcc-7-branch/gcc/fortran/frontend-passes.c branches/gcc-7-branch/gcc/fortran/trans-expr.c branches/gcc-7-branch/gcc/testsuite/ChangeLog