[PR debug/46724] var-track address of RESULT_DECL

[Richard Henderson]

On 12/20/2010 11:30 PM, Alexandre Oliva wrote:
> 	PR debug/46724
> 	* function.c (assign_parms_augmented_arg_list): Name and mark
> 	DECL of result address as NAMELESS rather than IGNORED.
> 	(assign_parms): Set DECL_VALUE_EXPR for indirect result.
> 	* tree.h (tree_decl_common::decl_flag_2): Document RESULT_DECL.
> 	(DECL_HAS_VALUE_EXPR_P): Accept RESULT_DECL.
> 	* dwarf2out.c (loc_list_from_tree) <RESULT_DECL>: Use
> 	DECL_VALUE_EXPR.
> 	* dbxout.c (dbxout_expand_expr) <RESULT_DECL>: Likewise.
> 	* var-tracking.c (vt_add_function_parameter): New, split out of...
> 	(vt_add_function_parameters): ... this.  Handle incoming
> 	pointer to hold result.

Ok, with a function comment for vt_add_function_parameter.


r~