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use std::cell::Cell;
const fn foo1() {}
const fn foo2(x: i32) -> i32 { x }
const fn foo3() -> i32 { 42 }
const fn foo4() -> Cell<i32> { Cell::new(42) }
const fn foo5() -> Option<Cell<i32>> { Some(Cell::new(42)) }
const fn foo6() -> Option<Cell<i32>> { None }
fn main() {
let x: &'static () = &foo1(); //~ ERROR temporary value dropped while borrowed
let y: &'static i32 = &foo2(42); //~ ERROR temporary value dropped while borrowed
let z: &'static i32 = &foo3(); //~ ERROR temporary value dropped while borrowed
let a: &'static Cell<i32> = &foo4(); //~ ERROR temporary value dropped while borrowed
let a: &'static Option<Cell<i32>> = &foo5(); //~ ERROR temporary value dropped while borrowed
let a: &'static Option<Cell<i32>> = &foo6(); //~ ERROR temporary value dropped while borrowed
}
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