//@ run-pass // Issue #2005: Check that boxed fixed-size arrays are properly // accounted for (namely, only deallocated if they were actually // created) when they appear as temporaries in unused arms of a match // expression. pub fn foo(box_1: fn () -> Box<[i8; 1]>, box_2: fn () -> Box<[i8; 20]>, box_3: fn () -> Box<[i8; 300]>, box_4: fn () -> Box<[i8; 4000]>, ) { println!("Hello World 1"); let _: Box<[i8]> = match 3 { 1 => box_1(), 2 => box_2(), 3 => box_3(), _ => box_4(), }; println!("Hello World 2"); } pub fn main() { fn box_1() -> Box<[i8; 1]> { Box::new( [1] ) } fn box_2() -> Box<[i8; 20]> { Box::new( [1; 20] ) } fn box_3() -> Box<[i8; 300]> { Box::new( [1; 300] ) } fn box_4() -> Box<[i8; 4000]> { Box::new( [1; 4000] ) } foo(box_1, box_2, box_3, box_4); }