core::intrinsics::return_address

pub unsafe extern "rust-intrinsic" fn return_address() -> *const u8

Unstable (core_intrinsics #0)

: intrinsics are unlikely to ever be stabilized, instead they should be used through stabilized interfaces in the rest of the standard library

Gives the address for the return value of the enclosing function.

Using this intrinsic in a function that does not use an out pointer will trigger a compiler error.