re PR fortran/86328 (Runtime segfault reading an allocatable class(*) object in allocate statements)

2018-08-31  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/86328
	PR fortran/86760
	* trans-array.c (gfc_conv_scalarized_array_ref): Do not fix
	info->descriptor but pass it directly to gfc_build_array_ref.
	(gfc_conv_array_ref): Likewise for se->expr.
	* trans.c (gfc_build_array_ref): If 'decl' is a COMPONENT_REF
	obtain the span field directly from it.

2018-08-31  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/86328
	PR fortran/86760
	* gfortran.dg/pr86328.f90 : New test.
	in comment 12 of the PR.
	* gfortran.dg/pr86760.f90 : New test.

From-SVN: r264008