Change gdb.ada to use clean_restart more consistently.
require allow_ada_tests
-gdb_exit
-gdb_start
-gdb_reinitialize_dir $srcdir/$subdir
+clean_restart
# Force the language to Ada, as this will not happen automatically
# in this case (no test program).
require allow_ada_tests
-gdb_exit
-gdb_start
-gdb_reinitialize_dir $srcdir/$subdir
+clean_restart
set any_nb "\[0-9\]+"
set any_addr "0x\[0-9a-zA-Z\]+"
require allow_ada_tests
-gdb_exit
-gdb_start
-gdb_reinitialize_dir $srcdir/$subdir
+clean_restart
gdb_test_no_output "set lang ada" \
"set lang ada"