Tested on Linux x86_64

2019-06-04  Nina Dinka Ranns  <dinka.ranns@gmail.com>
    gcc/cp

     PR c++/63149
    * pt.c (listify_autos): use non cv qualified auto_node in
std::initializer_list<auto>

     testsuite/

     PR c++/63149
    * g++.dg/cpp0x/initlist-deduce.C: New