[Bug c++/52830] ICE: "canonical types differ for identity types ..." when attempting SFINAE with member type

[patrick.a.moran at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52830

--- Comment #2 from Patrick Moran <patrick.a.moran at gmail dot com> ---
*** Bug 61370 has been marked as a duplicate of this bug. ***