const fns = [_]fn() void { a, b, c };
fn a() i32 {return 0;}
fn b() i32 {return 1;}
fn c() i32 {return 2;}
export fn entry() usize { return @sizeOf(@TypeOf(fns)); }

// error
// backend=stage2
// target=native
//
// :1:28: error: expected type 'fn() void', found 'fn() i32'
// :1:28: note: return type 'i32' cannot cast into return type 'void'
