2011-06-19 Janus Weil <janus@gcc.gnu.org>

2011-06-19  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/47601
	* module.c (mio_component_ref): Handle components of extended types.
	* symbol.c (gfc_find_component): Return if sym is NULL.

	PR fortran/48699
	* check.c (gfc_check_move_alloc): If 'TO' argument is polymorphic,
	make sure the vtab is present.

	PR fortran/49074
	* interface.c (gfc_extend_assign): Propagate the locus from the
	assignment to the type-bound procedure call.

	PR fortran/49417
	* module.c (mio_component): Make sure the 'class_ok' attribute is set
	for use-associated CLASS components.
	* parse.c (parse_derived): Check for 'class_ok' attribute.
	* resolve.c (resolve_fl_derived): Ditto.

2011-06-19  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/47601
	* gfortran.dg/extends_13.f03: New.

	PR fortran/48699
	* gfortran.dg/move_alloc_5.f90: New.

	PR fortran/49074
	* gfortran.dg/typebound_assignment_3.f03: New.

	PR fortran/49417
	* gfortran.dg/class_43.f03: New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@175194 138bc75d-0d04-0410-961f-82ee72b054a4