Fix

examples/tagged_pointer/src/main.rs

@@ -12,11 +12,13 @@ static GLOBAL_ALLOCATOR: Allocator = Allocator;
 fn main() {
     unsafe { Allocator::initialize() }
 
-    let t1 = spawn(|| loop {
+    let t1 = spawn(|| {
         unsafe { Allocator::register_current_thread().unwrap() }
 
+        loop {
             let ptr = allocate();
             unsafe { *ptr = 0 };
+        }
     });
 
     let t2 = spawn(|| {