[Bug c++/65719] Link error with constexpr variable template

[christian.kandeler at theqtcompany dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65719

Christian Kandeler <christian.kandeler at theqtcompany dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |christian.kandeler@theqtcom
                   |                            |pany.com

--- Comment #5 from Christian Kandeler <christian.kandeler at theqtcompany dot com> ---
Created attachment 35700
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35700&action=edit
test case

I have attached a different test case for what is likely the same bug. Note
that the code builds fine if f is changed to take T by value instead of const
ref.