[Bug c++/68891] must use a typedef to declare a conversion to 'double (&)[3]'

[mathieu.malaterre at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68891

--- Comment #1 from Mathieu Malaterre <mathieu.malaterre at gmail dot com> ---
Here is the output from clang++:

 error: cannot specify any part of a return type in the declaration of a
conversion function; use a typedef to declare a conversion to 'double (&)[3]'

% clang++ --version
Debian clang version 11.0.1-2