re PR fortran/85603 (ICE with character array substring assignment)

2018-10-23  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/85603
	* frontend-passes.c (get_len_call): New function to generate a
	call to intrinsic LEN.
	(create_var): Use this to make length expressions for variable
	rhs string lengths.
	Clean up some white space issues.

2018-10-23  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/85603
	* gfortran.dg/deferred_character_23.f90 : Check reallocation is
	occurring as it should and a regression caused by version 1 of
	this patch.

From-SVN: r265412