+2011-11-03 Martin Jambor <mjambor@suse.cz>
+
+ * ipa-prop.c (type_change_info): New fields offset, object,
+ known_current_type and multiple_types_encountered.
+ (extr_type_from_vtbl_ptr_store): New function.
+ (check_stmt_for_type_change): Use it, set multiple_types_encountered if
+ the result is different from the previous one.
+ (detect_type_change): Renamed to detect_type_change_1. New parameter
+ comp_type. Set up new fields in tci, build known type jump
+ functions if the new type can be identified.
+ (detect_type_change): New function.
+ * tree.h (DECL_CONTEXT): Comment new use.
+
2011-11-03 Richard Guenther <rguenther@suse.de>
PR lto/48217