PR c++/80287
        * class.c (fixup_may_alias): Fix all type variants.

gcc/testsuite
2017-04-17  Bernd Edlinger  <bernd.edlinger@hotmail.de> 

        PR c++/80287
        * g++.dg/lto/pr80287_0.C: New test.

From-SVN: r246955