2009-12-27  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
	    Daniel Kraft  <d@domob.eu>

	PR fortran/22552
	* lang.opt (Wimplicit-procedure): New option.
	* gfortran.h (struct gfc_option_t): New member `warn_implicit_procedure'
	* options.c (gfc_handle_option): Handle -Wimplicit-procedure.
	* interface.c (gfc_procedure_use): Warn about procedure never
	explicitly declared if requested by the new flag.
	* invoke.texi: Document new flag -Wimplicit-procedure.

2009-12-27  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
	    Daniel Kraft  <d@domob.eu>

	PR fortran/22552
	* gfortran.dg/warn_implicit_procedure_1.f90: New test.

Co-Authored-By: Daniel Kraft <d@domob.eu>

From-SVN: r155479