2013-04-30  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/57071
	* frontend-passes.c (optimize_power):  Simplify
	1**k to 1.

2013-04-30  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/57071
	* gfortran.dg/power_5.f90:  New test.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@198476 138bc75d-0d04-0410-961f-82ee72b054a4