re PR fortran/40551 (Optimizations possible using gfc_full_array_ref_p)

re PR fortran/40551 (Optimizations possible using gfc_full_array_ref_p)

2009-06-29  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/40551
	* dependency.h : Add second bool* argument to prototype of
	gfc_full_array_ref_p.
	* dependency.c (gfc_full_array_ref_p): If second argument is
	present, return true if last dimension of reference is an
	element or has unity stride.
	* trans-array.c : Add NULL second argument to references to
	gfc_full_array_ref_p.
	* trans-expr.c : The same, except for;
	(gfc_trans_arrayfunc_assign): Return fail if lhs reference
	is not a full array or a contiguous section.

2009-06-29  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/40551
	* gfortran.dg/func_assign_2.f90 : New test.

From-SVN: r149062