2006-01-28  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/17911
	* expr.c (gfc_check_assign, gfc_check_pointer_assign): Emit error if
	the lvalue is a use associated procedure.

	PR fortran/20895
	PR fortran/25030
	* expr.c (gfc_check_pointer_assign): Emit error if lvalue and rvalue
	character lengths are not the same.  Use gfc_dep_compare_expr for the
	comparison.
	* gfortran.h: Add prototype for gfc_dep_compare_expr.
	* dependency.h: Remove prototype for gfc_dep_compare_expr.

2006-01-29  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/17911
	* gfortran.dg/procedure_lvalue.f90: New test.

	PR fortran/20895
	PR fortran/25030
	* gfortran.dg/char_pointer_assign_2.f90: New test.
	* gfortran.dg/char_result_1.f90: Correct unequal charlen pointer
	assignment to be consistent with standard.
	* gfortran.dg/char_result_2.f90: The same.
	* gfortran.dg/char_result_8.f90: The same.

From-SVN: r110365