re PR fortran/22290 (Optimize Assigned GOTO to cause error with -O1 or higher)

re PR fortran/22290 (Optimize Assigned GOTO to cause error with -O1 or higher)

2005-10-25  Feng Wang  <fengwang@nudt.edu.cn>

	PR fortran/22290
	* trans-decl.c (gfc_add_assign_aux_vars): New function. Add two
	auxiliary variables.
	(gfc_get_symbol_decl): Use it when a variable, including dummy
	argument, is assigned a label.
	(gfc_trans_assign_aux_var): New function. Set initial value of
	the auxiliary variable explicitly.
	(gfc_trans_deferred_vars): Use it.
	* trans-stmt.c (gfc_conv_label_variable): Handle dummy argument.

2005-10-25  Feng Wang  <fengwang@nudt.edu.cn>

	PR fortran/22290
	* gfortran.dg/assign_5.f90: New test.
	* gfortran.dg/assign_6.f: New test.

From-SVN: r105887