cp:
* cp-tree.h (THUNK_TARGET): New macro.
(THUNK_VIRTUAL_OFFSET): For result thunks it is always a binfo.
(finish_thunk): Remove offset parms.
* class.c (find_final_overrider): Look through thunks.
(get_vcall_index): Use THUNK_TARGET.
(update_vtable_entry_for_fn): Look through thunks. Set covariant
fixed offset here. Adjust finish_thunk call.
(build_vtbl_initializer): Adjust finish_thunk calls.
* mangle.c (mangle_call_offset): Remove superfluous if.
(mangle_thunk): Adjust.
* method.c (make_thunk): Adjust.
(finish_thunk): Adjust.
(thunk_adjust): Remove assert.
(use_thunk): Use THUNK_TARGET
* dump1.c (cp_dump_tree): Adjust thunk dumping.
testsuite:
* g++.dg/inherit/covariant5.C: New test.
* g++.dg/inherit/covariant6.C: New test.
* g++.dg/inherit/covariant7.C: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@60628
138bc75d-0d04-0410-961f-
82ee72b054a4