Second try for r276408 llvm-svn: 276415
Tests fail on clang-x64-ninja-win7 due to too narrow expectation. llvm-svn: 276413
Flags slicing of member variables or vtable. See: https://github.com/isocpp/CppCoreGuidelines/blob/master/CppCoreGuidelines.md#es63-dont-slice https://github.com/isocpp/CppCoreGuidelines/blob/master/CppCoreGuidelines.md#c145-access-polymorphic-objects-through-pointers-and-references Differential revision: http://reviews.llvm.org/D21974 llvm-svn: 276408