re PR fortran/40877 (memory leaks with gfc_charlen?)

re PR fortran/40877 (memory leaks with gfc_charlen?)

2009-08-17  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/40877
	* array.c (gfc_resolve_character_array_constructor): Add NULL argument
	to gfc_new_charlen.
	* decl.c (add_init_expr_to_sym,variable_decl,match_char_spec,
	gfc_match_implicit): Ditto.
	* expr.c (simplify_const_ref): Fix memory leak.
	(gfc_simplify_expr): Add NULL argument to gfc_new_charlen.
	* gfortran.h (gfc_new_charlen): Modified prototype.
	* iresolve.c (check_charlen_present,gfc_resolve_char_achar): Add NULL
	argument to gfc_new_charlen.
	* module.c (mio_charlen): Ditto.
	* resolve.c (gfc_resolve_substring_charlen,
	gfc_resolve_character_operator,fixup_charlen): Ditto.
	(resolve_fl_derived,resolve_symbol): Add argument to gfc_charlen.
	* symbol.c (gfc_new_charlen): Add argument 'old_cl' (to make a copy of
	an existing charlen).
	(gfc_set_default_type,generate_isocbinding_symbol): Fix memory leak.
	(gfc_copy_formal_args_intr): Add NULL argument to gfc_new_charlen.
	* trans-decl.c (create_function_arglist): Fix memory leak.

From-SVN: r150823