update debug assert to apply the mask to the whole pointer

Author: lukesandberg

turbopack/crates/turbo-rcstr/src/dynamic.rs

@@ -64,7 +64,7 @@ pub(crate) fn new_atom<T: AsRef<str> + Into<String>>(text: T) -> RcStr {
 #[inline(always)]
 pub(crate) fn new_static_atom(string: &'static PrehashedString) -> RcStr {
     let mut entry = string as *const PrehashedString;
-    debug_assert!(0 == entry as u8 & TAG_MASK);
+debug_assert!(0 == (entry as usize & (TAG_MASK as usize)));
     // Tag it as a static pointer
     entry = ((entry as usize) | STATIC_TAG as usize) as *mut PrehashedString;
     let ptr: NonNull<PrehashedString> = unsafe {