[Bug libstdc++/65909] check_v3_target_namedlocale blows up on targets that don't support command-line arguments

[redi at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65909

--- Comment #13 from Jonathan Wakely <redi at gcc dot gnu.org> ---
No, it seems to be a property of dejagnu's remote_load and standard_load procs
(which ${tool}_load uses) that interprets the argument as a list and then uses
"" if it's an empty list.