[Bug c++/123083] [13/14/15 regression] ICE on auto operator returning a range view transform

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123083

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Although the ICE is a compiler bug, it seems to be triggered by a libstdc++
change because preprocessing the example with libstdc++ from GCC 12 and
compiling with GCC 13 does not ICE.