* cp-tree.h (complete_type_or_diagnostic): Changed prototype,

* cp-tree.h (complete_type_or_diagnostic): Changed prototype,
renamed from...
(complete_type_or_else): ... this.  Redefined as macro.
(cxx_incomplete_type_diagnostic): Declare.
(cxx_incomplete_type_error): Define as macro.
* init.c (build_delete): Warn about incomplete types other than
void, and use the built-in operator delete for them.
* typeck.c (complete_type_or_diagnostic): Renamed from
complete_type_or_else.  Added warn_only argument, passed to...
* typeck2.c (cxx_incomplete_type_diagnostic): ... this.  Print
warnings or errors depending on new warn_only argument.  Renamed
from...
(cxx_incomplete_type_error): ... this.  New implementation in
terms of cxx_incomplete_type_diagnostic.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@53605 138bc75d-0d04-0410-961f-82ee72b054a4