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r181717 - in /branches/gcc-4_5-branch/gcc: Chan...

Author: rsandifo
Date: Fri Nov 25 10:43:58 2011
New Revision: 181717

	Backport from mainline:

	2011-03-29  Richard Sandiford  <>

	PR debug/48190
	* dwarf2out.c (dw_loc_list_node): Add resolved_addr and replaced.
	(cached_dw_loc_list_def): New structure.
	(cached_dw_loc_list): New typedef.
	(cached_dw_loc_list_table): New variable.
	(cached_dw_loc_list_table_hash): New function.
	(cached_dw_loc_list_table_eq): Likewise.
	(add_location_or_const_value_attribute): Take a bool cache_p.
	Cache the list when the parameter is true.
	(gen_formal_parameter_die): Update caller.
	(gen_variable_die): Likewise.
	(dwarf2out_finish): Likewise.
	(dwarf2out_abstract_function): Nullify cached_dw_loc_list_table
	while generating debug info for the decl.
	(dwarf2out_function_decl): Clear cached_dw_loc_list_table.
	(dwarf2out_init): Initialize cached_dw_loc_list_table.
	(resolve_addr): Cache the result of resolving a chain of
	location lists.

	From: 2010-10-12  Jakub Jelinek  <>
	* dwarf2out.c (dw_loc_list_node): Add emitted field.
	(output_loc_list): Return immediately if emitted is set, set it.


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