gdb.c++/userdef.cc: Place comments on the lines to which the
marker function might return.
* gdb.c++/derivation.exp, gdb.c++/overload.exp,
gdb.c++/userdef.exp: Look for those comments to check that we've
returned to the right place, instead of checking line numbers.
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.
significant in *un*mangled method names. Use strcmp_iw to compare
them, not STREQ. (Fix from Daniel Berlin.)
* gdb/testsuite/gdb.c++/userdef.exp: Check that GDB tolerates whitespace in
unmangled operator names.
