[Bug tree-optimization/114206] recursive function call vs local variable addresses

[congli at smail dot nju.edu.cn]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114206

--- Comment #3 from congli <congli at smail dot nju.edu.cn> ---
How about this one: https://gcc.godbolt.org/z/Wvhddb7nf?

We ensured the two `b`s are different at each f() call.