update operatir++ to use all_forward

changkhothuychung · changkhothuychung · commit 5555c34df8fc · 2025-06-25T16:24:49.000-04:00
diff --git a/libcxx/include/__ranges/concat_view.h b/libcxx/include/__ranges/concat_view.h
@@ -339,7 +339,7 @@ class concat_view<_Views...>::__iterator : public __concat_view_iterator_categor
   _LIBCPP_HIDE_FROM_ABI constexpr void operator++(int) { ++*this; }
 
   _LIBCPP_HIDE_FROM_ABI constexpr __iterator operator++(int)
-    requires(forward_range<__maybe_const<_Const, _Views>> && ...)
+    requires(__all_forward_Const, _Views> && ...)
   {
     auto __tmp = *this;
     ++*this;

Original file line number	Diff line number	Diff line change
`@@ -339,7 +339,7 @@ class concat_view<_Views...>::__iterator : public __concat_view_iterator_categor`
`339`	`339`	`_LIBCPP_HIDE_FROM_ABI constexpr void operator++(int) { ++*this; }`
`340`	`340`
`341`	`341`	`_LIBCPP_HIDE_FROM_ABI constexpr __iterator operator++(int)`
`342`		`- requires(forward_range<__maybe_const<_Const, _Views>> && ...)`
	`342`	`+ requires(__all_forward_Const, _Views> && ...)`
`343`	`343`	`{`
`344`	`344`	`auto __tmp = *this;`
`345`	`345`	`++*this;`