[Bug c++/100399] bogus/missing -Wplacement-new

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100399
Bug 100399 depends on bug 100370, which changed state.

Bug 100370 Summary: [11 Regression] Incorrect -Wplacement-new with union
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100370

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED