[Bug c++/60583] Garbled data, "temporary bound ... only persists until the constructor exits", fine with clang++

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60583

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
As this is DR1288 it's a dup of PR50025