1fn assert(ok: bool) void {
 2    if (!ok) unreachable;
 3}
 4
 5fn foo(ok: bool) i32 {
 6    var val: i32 = blk: {
 7        const val2: i32 = another: {
 8            if (!ok) break :blk 10;
 9            break :another 10;
10        };
11        break :blk val2 + 10;
12    };
13    return (&val).*;
14}
15
16pub fn main() void {
17    assert(foo(false) == 10);
18    assert(foo(true) == 20);
19}
20
21// run
22// backend=selfhosted,llvm
23// target=x86_64-linux,x86_64-macos
24//