http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47510
--- Comment #3 from Jan Kratochvil <jan.kratochvil at redhat dot com> 2011-02-03 15:21:02 UTC --- g++ (GCC) 4.6.0 20110203 (experimental) with the Comment 2 patch template <typename T> class F { typedef struct { int i; } C; C a; }; F<int> f; -> <1><2d>: Abbrev Number: 2 (DW_TAG_class_type) <2e> DW_AT_name : (indirect string, offset: 0x37): F<int> <2><39>: Abbrev Number: 3 (DW_TAG_structure_type) <3a> DW_AT_name : C and DW_TAG_typedef gets completely lost in such case.