Function compiler_builtins::mem::__llvm_memcpy_element_unordered_atomic_1::__llvm_memcpy_element_unordered_atomic_1

#[no_mangle]
pub extern "C" fn __llvm_memcpy_element_unordered_atomic_1(
    dest: *mut u8, 
    src: *const u8, 
    bytes: usize
)