[Issue 15614] more helpful error messages when bang omiitted

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=15614

b2.temp at gmx.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |b2.temp at gmx.com
          Component|phobos                      |dmd
           Hardware|x86_64                      |All
                 OS|Linux                       |All

--