[Bug middle-end/82177] Alias analysis too aggressive with integer-to-pointer cast

[nunoplopes at sapo dot pt]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82177

--- Comment #3 from Nuno Lopes <nunoplopes at sapo dot pt> ---
Sorry, I forgot to include the code for b.c:

void f(int*x, int*y) {}