[Bug middle-end/48791] [4.7 Regression] Many testcase failures

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48791

--- Comment #3 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-04-27 
14:38:01 UTC ---
DECL_STRUCT_FUNCTION (node->decl) is NULL for covariant return thunk to
AB::getThis()