[Bug c++/68574] add -W#pragma-messages equivalent

[programmerjake at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68574

programmerjake at gmail dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |programmerjake at gmail dot com

--- Comment #1 from programmerjake at gmail dot com ---
I suggest either adding clang's option -W#pragma-messages or adding
-Wpragma-messages.