[Bug c++/68070] Undefined reference to default constructor of member template class

[db0451 at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68070

DB <db0451 at gmail dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |db0451 at gmail dot com

--- Comment #1 from DB <db0451 at gmail dot com> ---
Confirmed and discussed on Stack Overflow:

https://stackoverflow.com/questions/44588166/default-value-of-function-parameter-initialized-by-list-initialization