[Issue 7352] Poor error message when using variable as template type parameter

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=7352

Basile-z <b2.temp at gmx.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |bootcamp
                 CC|                            |b2.temp at gmx.com

--- Comment #1 from Basile-z <b2.temp at gmx.com> ---
When no constraint is present indeed this could be an additional error message.
There's an helper for that in the compiler.

When there's a constraint this possibly new message should not be added since
there's work to format them prettier.

--