http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48148
--- Comment #13 from Jan Kratochvil <jan.kratochvil at redhat dot com> 2011-03-16 18:02:51 UTC --- In such case it expects DW_TAG_GNU_call_site DW_AT_low_pc and it does not look up DW_AT_low_pc through DW_AT_abstract_origin across linkage names.