re PR fortran/36947 (Attributes not fully checked comparing actual vs dummy procedure)
2009-05-18 Janus Weil <janus@gcc.gnu.org>
PR fortran/36947
PR fortran/40039
* expr.c (gfc_check_pointer_assign): Check intents when comparing
interfaces.
* gfortran.h (typedef struct gfc_intrinsic_arg): Add 'intent' member.
(gfc_compare_interfaces): Additional argument.
* interface.c (operator_correspondence): Add check for equality of
intents, and new argument 'intent_check'.
(gfc_compare_interfaces): New argument 'intent_check', which is passed
on to operator_correspondence.
(check_interface1): Don't check intents when comparing interfaces.
(compare_parameter): Do check intents when comparing interfaces.
* intrinsic.c (add_sym): Add intents for arguments of intrinsic
procedures.
(add_sym_1,add_sym_1s,add_sym_1m,add_sym_2,add_sym_2s,add_sym_3,
add_sym_3ml,add_sym_3red,add_sym_3s,add_sym_4): Use INTENT_IN by
default.
(add_sym_1_intent,add_sym_1s_intent,add_sym_2s_intent,add_sym_3s_intent)
: New functions to add intrinsic symbols, specifying custom intents.
(add_sym_4s,add_sym_5s): Add new arguments to specify intents.
(add_functions,add_subroutines): Add intents for various intrinsics.
* resolve.c (check_generic_tbp_ambiguity): Don't check intents when
comparing interfaces.
* symbol.c (gfc_copy_formal_args_intr): Copy intent.