[PATCH] gdb.c++/method.exp: improve "const this" test

[Michael Elizabeth Chastain]

Committed.

Michael C

2002-04-08  Michael Chastain  <mec@shout.net>

	* 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 ...".