backport: re PR fortran/69544 (Internal compiler error with -Wall and where)

backport: re PR fortran/69544 (Internal compiler error with -Wall and where)

2016-11-06  Thomas Koenig  <tkoenig@gcc.gnu.org>

	Backport from trunk
	PR fortran/69544
	PR fortran/78178
	* gfortran.dg/where_5.f90:  New test.
	* gfortran.dg/where_6.f90:  New test.

2016-11-06  Thomas Koenig  <tkoenig@gcc.gnu.org>

	Backport from trunk
	PR fortran/69544
	PR fortran/78178
	* match.c (match_simple_where):  Fill in locus for assigment
	in simple WHERE statement.
	(gfc_match_where):  Likewise.

From-SVN: r241886