[llvm-branch-commits] [libcxx] [libc++][TZDB] Finishes zoned_time member functions. (PR #95026)

[Louis Dionne via llvm-branch-commits]

================
@@ -147,8 +148,29 @@ class zoned_time {
     } && is_convertible_v<sys_time<_Duration2>, sys_time<_Duration>>)
       : zoned_time{__traits::locate_zone(__name), __zt, __c} {}
 
+  _LIBCPP_HIDE_FROM_ABI zoned_time& operator=(const sys_time<_Duration>& __tp) {
+    __tp_ = __tp;
+    return *this;
+  }
+
+  _LIBCPP_HIDE_FROM_ABI zoned_time& operator=(const local_time<_Duration>& __tp) {
+    // TODO TZDB This seems wrong.
+    // Assigning a non-existant or abiguous time will throw and not satisfy
----------------
ldionne wrote:

```suggestion
    // Assigning a non-existent or ambiguous time will throw and not satisfy
```

Can you file a LWG issue about this?

https://github.com/llvm/llvm-project/pull/95026