2019-02-24  Harald Anlauf  <anlauf@gmx.de>

	PR fortran/89266
	PR fortran/88326
	* target-memory.c (gfc_element_size): Return false if element size
	cannot be determined; element size is returned separately.
	(gfc_target_expr_size): Return false if expression size cannot be
	determined; expression size is returned separately.
	* target-memory.h: Adjust prototypes.
	* check.c (gfc_calculate_transfer_sizes): Adjust references to
	gfc_target_expr_size, gfc_element_size.
	* arith.c (hollerith2representation): Likewise.
	* class.c (find_intrinsic_vtab): Likewise.
	* simplify.c (gfc_simplify_sizeof): Likewise.

	PR fortran/89266
	PR fortran/88326
	* gfortran.dg/pr89266.f90: New test.
	* gfortran.dg/pr88326.f90: New test.

From-SVN: r269177