[rustc.git] / tests / ui / thread-local-static.rs

// edition:2018

#![feature(thread_local)]
#![feature(const_swap)]
#[thread_local]
static mut STATIC_VAR_2: [u32; 8] = [4; 8];
const fn g(x: &mut [u32; 8]) {
    //~^ ERROR mutable references are not allowed
    std::mem::swap(x, &mut STATIC_VAR_2)
    //~^ ERROR thread-local statics cannot be accessed
    //~| ERROR mutable references are not allowed
    //~| ERROR use of mutable static is unsafe
    //~| constant functions cannot refer to statics
}

fn main() {}
Commit	Line	Data
17df50a5 XL	1	// edition:2018
	2
	3	#![feature(thread_local)]
	4	#![feature(const_swap)]
	5	#[thread_local]
	6	static mut STATIC_VAR_2: [u32; 8] = [4; 8];
	7	const fn g(x: &mut [u32; 8]) {
	8	//~^ ERROR mutable references are not allowed
	9	std::mem::swap(x, &mut STATIC_VAR_2)
	10	//~^ ERROR thread-local statics cannot be accessed
	11	//~\| ERROR mutable references are not allowed
	12	//~\| ERROR use of mutable static is unsafe
	13	//~\| constant functions cannot refer to statics
17df50a5 XL	14	}
	15
	16	fn main() {}