[Bug c++/61082] [x86-64 Itanium ABI] g++ uses wrong return location for class with head padding

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=61082

--- Comment #9 from H.J. Lu <hjl.tools at gmail dot com> ---
Y is returned as {NO_CLASS, INTEGER} in register. psABI doesn't
explicitly say how NO_CLASS should be handled in this case.  GCC
simply skips NO_CLASS when assigning it to a register.