[Bug c++/66787] gcc fails tail call elimination

[denmark114 at naver dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66787

--- Comment #1 from Minjae Kim <denmark114 at naver dot com> ---
Oops, I swapped `create` and `print`. gcc does tail call elimination on
`create` but it doesn't on `print`.