[Bug c++/57397] Off-by-one error in diagnostic when calling variadic function template with too few arguments

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57397

--- Comment #5 from Paolo Carlini <paolo.carlini at oracle dot com> ---
Of course I meant "at least 1" for the original testcase.