Update libcxx/include/__ranges/concat_view.h

changkhothuychung · frederick-vs-ja · web-flow · commit 18f829c34f69 · 2025-03-08T13:01:53.000-05:00
Co-authored-by: A. Jiang &lt;de34@live.cn&gt;
diff --git a/libcxx/include/__ranges/concat_view.h b/libcxx/include/__ranges/concat_view.h
@@ -381,7 +381,7 @@ class concat_view<_Views...>::__iterator {
     requires __concat_is_bidirectional<_Const, _Views...>
   {
     _LIBCPP_ASSERT_VALID_ELEMENT_ACCESS(
-        !__it_.valueless_by_exception(), "Trying to convert from a valueless iterator of concat_view.");
+        !__it_.valueless_by_exception(), "Trying to decrement a valueless iterator of concat_view.");
     size_t __active_index = __it_.index();
     __apply_at_index<variant_size_v<decltype(__it_)>>(__active_index, [&](auto __index_constant) {
       constexpr size_t __i = __index_constant.value;

Original file line number	Diff line number	Diff line change
`@@ -381,7 +381,7 @@ class concat_view<_Views...>::__iterator {`
`381`	`381`	`requires __concat_is_bidirectional<_Const, _Views...>`
`382`	`382`	`{`
`383`	`383`	`_LIBCPP_ASSERT_VALID_ELEMENT_ACCESS(`
`384`		`- !__it_.valueless_by_exception(), "Trying to convert from a valueless iterator of concat_view.");`
	`384`	`+ !__it_.valueless_by_exception(), "Trying to decrement a valueless iterator of concat_view.");`
`385`	`385`	`size_t __active_index = __it_.index();`
`386`	`386`	`__apply_at_index<variant_size_v<decltype(__it_)>>(__active_index, [&](auto __index_constant) {`
`387`	`387`	`constexpr size_t __i = __index_constant.value;`