... involving accessing the member of a nested anonymous union from
within the surrounding class. libclang reports a CXCursor_CXXThisExpr
for this location instead of a CXCursor_MemberRefExpr. However, the
latter is still locatable in the AST, so we can correct this.
Fixes: QTCREATORBUG-25342
Change-Id: I1eba13d5153205a52b3689d8ad52493a56b76c07
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>