2009-04-09 Janus Weil <janus@gcc.gnu.org>
PR fortran/36704
* decl.c (add_hidden_procptr_result): New function for handling
procedure pointer return values by adding a hidden result variable.
(variable_decl,match_procedure_decl,gfc_match_function_decl,
gfc_match_subroutine,gfc_match_end,attr_decl1): Handle procedure pointer
return values.
* parse.c (parse_interface): Add EXTERNAL attribute only after
FUNCTION/SUBROUTINE declaration is complete.
* primary.c (replace_hidden_procptr_result): New function for replacing
function symbol by hidden result variable.
(gfc_match_rvalue,match_variable): Replace symbol by hidden result
variable.
* resolve.c (resolve_contained_fntype,resolve_function,resolve_variable,
resolve_symbol): Allow for procedure pointer function results.
(resolve_fl_procedure): Conflict detection moved here from
'check_conflict'.
* symbol.c (gfc_check_function_type): Allow for procedure pointer
function results.
(check_conflict): Move some conflict detection to resolution stage.
* trans-types.c (gfc_sym_type,gfc_get_function_type): Handle hidden
result variables.
2009-04-09 Janus Weil <janus@gcc.gnu.org>
PR fortran/36704
* gfortran.dg/external_procedures_1.f90: Modified.
* gfortran.dg/proc_ptr_result_1.f90: New.
* gfortran.dg/proc_ptr_result_2.f90: New.
* gfortran.dg/proc_ptr_result_3.f90: New.
From-SVN: r145815
