* gdb.c++/classes.exp: Accept 'A const' or 'const A' in copy
constructors.
* gdb.c++/derivation.exp: Likewise.
* gdb.c++/templates.exp: Likewise.
* gdb.c++/virtfunc.exp: Likewise.
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.
file -- to prevent failing when the compile fails but we have no
intention of running the tests anyway.
* gdb.base/long_long.exp: Test target_info for no_long_long, skip
tests if set.
* gdb.base/maint.exp: Support 2 byte integers as well as 4 byte
integers.
* gdb.c++/ctti.exp: Skip tests if skip_cplus_tests returns true.
* gdb.c++/namespace.exp: Ditto.
Fix PR gdb/16.