Enable the "needs_status_wrapper" testsuite feature.
* lib/gdb.exp (gdb_wrapper_init): New procedure.
(gdb_compile): Conditionally call gdb_wrapper_init.
* gdb.base/a2-run.exp: Recognize output from status wrapper.
* gdb.c++/method.exp: Recognize output from status wrapper.
* gdb.c++/method.exp: Require "const ... A * ..." for "ptype this"
in a const method. Add some xfail and fail cases for configurations
that do not emit the "const ...".
* gdb.c++/method.exp: Use gdb_test instead of send_gdb/gdb_expect.
Accept "A * const" and "const A * const" as type of "this".
Fix spelling of getFunky throughout. Make messages uniform.
gdb.c++/inherit.exp, gdb.c++/method.exp,
gdb.c++/namespace.exp, gdb.c++/templates.exp,
gdb.c++/userdef.exp, gdb.c++/virtfunc.exp: Updates for v3 demangler
and class layout support.
