This patch makes gdb_test_no_output not emit a PASS for a sucessful
test when the message is the empty string. As requested, this makes
it consistent with what gdb_test does.
2010-06-03 Joel Brobecker <brobecker@adacore.com>
* lib/gdb.exp (gdb_test_no_output): Do not emit pass for
successful test if message is the empty string.