re PR fortran/50069 (FORALL fails on a character array)

re PR fortran/50069 (FORALL fails on a character array)

2017-01-18  Louis Krupp  <louis.krupp@zoho.com>

	PR fortran/50069
	PR fortran/55086
	* gfortran.dg/pr50069_1.f90: New test.
	* gfortran.dg/pr50069_2.f90: New test.
	* gfortran.dg/pr55086_1.f90: New test.
	* gfortran.dg/pr55086_1_tfat.f90: New test.
	* gfortran.dg/pr55086_2.f90: New test.
	* gfortran.dg/pr55086_2_tfat.f90: New test.
	* gfortran.dg/pr55086_aliasing_dummy_4_tfat.f90: New test.

2017-01-18  Louis Krupp  <louis.krupp@zoho.com>

	PR fortran/50069
	PR fortran/55086
	* trans-expr.c (gfc_conv_variable): Don't treat temporary variables
	as function arguments.
	* trans-stmt.c (forall_make_variable_temp,
	generate_loop_for_temp_to_lhs, gfc_trans_assign_need_temp,
	gfc_trans_forall_1): Don't adjust offset of forall temporary
	for array sections, make forall temporaries work for substring
	expressions, improve test coverage by adding -ftest-forall-temp
	option to request usage of temporary array in forall code.
	* lang.opt: Add -ftest-forall-temp option.
	* invoke.texi: Add -ftest-forall-temp option.

From-SVN: r244601