[Bug c++/85153] _Pragma to disable -Wswitch-unreachable diagnostic not properly working when used within preprocessor macro

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85153

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2018-04-03
          Component|driver                      |c++
     Ever confirmed|0                           |1

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed.  Not sure what the exact limit is but some of the warnings can only
be disabled at function granularity and placing the pragmas in macros might
interfere with this.