2013-04-12  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/56261
	* gfortran.h (gfc_explicit_interface_required): New prototype.
	* expr.c (gfc_check_pointer_assign): Check if an explicit interface is
	required in a proc-ptr assignment.
	* interface.c (check_result_characteristics): Extra check.
	* resolve.c (gfc_explicit_interface_required): New function.
	(resolve_global_procedure): Use new function
	'gfc_explicit_interface_required'. Do a full interface check.


2013-04-12  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/56261
	* gfortran.dg/auto_char_len_4.f90: Add -pedantic. Changed error.
	* gfortran.dg/assumed_rank_4.f90: Modified error wording.
	* gfortran.dg/block_11.f90: Fix invalid test case.
	* gfortran.dg/function_types_3.f90: Add new error message.
	* gfortran.dg/global_references_1.f90: Ditto.
	* gfortran.dg/import2.f90: Remove unneeded parts.
	* gfortran.dg/import6.f90: Fix invalid test case.
	* gfortran.dg/proc_decl_2.f90: Ditto.
	* gfortran.dg/proc_decl_9.f90: Ditto.
	* gfortran.dg/proc_decl_18.f90: Ditto.
	* gfortran.dg/proc_ptr_40.f90: New.
	* gfortran.dg/whole_file_7.f90: Modified error wording.
	* gfortran.dg/whole_file_16.f90: Ditto.
	* gfortran.dg/whole_file_17.f90: Add -pedantic.
	* gfortran.dg/whole_file_18.f90: Modified error wording.
	* gfortran.dg/whole_file_20.f03: Ditto.
	* gfortran.fortran-torture/execute/intrinsic_associated.f90: Fix
	invalid test case.

From-SVN: r197922