This new testsuite routine allows us to test commands that are not
expected to generate any output.
2010-05-20 Pedro Alves <pedro@codesourcery.com>
Joel Brobecker <brobecker@adacore.com>
* lib/gdb.exp (gdb_test_no_output): New function.
* lib/gdb.ada/arrayidx.exp: Use gdb_test_no_output instead of gdb_test
when testing commands that should produce no output.
Tested on x86_64-linux.