[PATCH] Do not store/stream binfos in jump functions

[Jan Hubicka]

> 
> 	* ipa-prop.h (jump_func_type): Updated comments.
> 	(ipa_known_type_data): New type.
> 	(ipa_jump_func): Use it to describe known type jump functions.
> 	* ipa-prop.c (ipa_print_node_jump_functions_for_edge): Updated to
> 	reflect the new known type jump function contents.
> 	(compute_known_type_jump_func): Likewise.
> 	(combine_known_type_and_ancestor_jfs): Likewise.
> 	(try_make_edge_direct_virtual_call): Likewise.
> 	(ipa_write_jump_function): Likewise.
> 	(ipa_read_jump_function): Likewise.
> 	* ipa-cp.c (ipa_value_from_known_type_jfunc): New function.
> 	(ipa_value_from_jfunc): Use ipa_value_from_known_type_jfunc.
> 	(propagate_accross_jump_function): Likewise.

OK. If we saved just one pointer to the actual type (i.e. not BINFO), would it be any sanier?

Honza