gdb/testsuite/ChangeLog:

2012-03-18  Anton Gorenkov <xgsa@yandex.ru>

	PR mi/13393

	* gdb.mi/mi-var-rtti.cc: New file.
	* gdb.mi/mi-var-rtti.exp: New file.
	* lib/mi-support.exp (mi_varobj_update_with_child_type_change): New
	function.
	(mi_varobj_update_with_type_change): updated to avoid code duplication.

gdb/ChangeLog:

2012-03-18  Anton Gorenkov <xgsa@yandex.ru>

	PR mi/13393

	* value.c (value_actual_type): New function.
	* value.h (value_actual_type): New declaration.
	* varobj.c (update_type_if_necessary): New function.
	(varobj_create): Call value_actual_type instead of
	value_type.
	(install_dynamic_child): distinct changed and type changed MI variable
	objects.
	(update_dynamic_varobj_children): Updated for install_dynamic_child
	change.
	(varobj_get_num_children): Likewise.
	(varobj_list_children): Likewise.
	(varobj_update): Support for MI variable object type change if 
	the value changed and RTTI is used to determine the type.
	(create_child_with_value): Call value_actual_type instead of
	value_type.
	(adjust_value_for_child_access): Extended with a new parameter which 
	specify whether the given value should be casted to enclosing type.
	(c_number_of_children): Updated for extended
	adjust_value_for_child_access.
	(c_describe_child): Updated for extended
	adjust_value_for_child_access.
	(cplus_number_of_children): Updated for extended
	adjust_value_for_child_access.
	(cplus_describe_child): Updated for extended
	adjust_value_for_child_access.