[Bug c++/60067] bogus error default template arguments may not be used in function templates

[paolo.carlini at oracle dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60067

--- Comment #1 from Paolo Carlini <paolo.carlini at oracle dot com> ---
This is fixed in 4.9.1, I'm adding the testcase and closing the bug.