On: You can’t “turn off the borrow checker” in Rust

[steveklabnik]

Just for fun, on Windows, I get

  > cl.exe foo.c
  > foo
  4
  10372440
  5
  > cl.exe -O3 foo.c
  > foo
  4
  9025424
  9025424

I've seen stuff like this work on OS X, and segfault on Linux. Yay UB!