[libcxx-commits] [libcxx] [libc++] Remove <ostream> include from <chrono> (PR #96035)

[Nikolas Klauser via libcxx-commits]

https://github.com/philnik777 created https://github.com/llvm/llvm-project/pull/96035

None

>From b646b926fc2259ea4b33f93a5c7ccfb3d9872d99 Mon Sep 17 00:00:00 2001
From: Nikolas Klauser <nikolasklauser at berlin.de>
Date: Wed, 19 Jun 2024 09:52:29 +0200
Subject: [PATCH] [libc++] Remove <ostream> include from <chrono>

---
 libcxx/include/__chrono/ostream.h                | 2 +-
 libcxx/include/chrono                            | 1 +
 libcxx/test/libcxx/transitive_includes/cxx23.csv | 1 -
 libcxx/test/libcxx/transitive_includes/cxx26.csv | 1 -
 4 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/libcxx/include/__chrono/ostream.h b/libcxx/include/__chrono/ostream.h
index ecf07a320c8b9..bb0341bc3ec63 100644
--- a/libcxx/include/__chrono/ostream.h
+++ b/libcxx/include/__chrono/ostream.h
@@ -30,7 +30,7 @@
 #include <__concepts/same_as.h>
 #include <__config>
 #include <__format/format_functions.h>
-#include <ostream>
+#include <__fwd/ostream.h>
 #include <ratio>
 
 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
diff --git a/libcxx/include/chrono b/libcxx/include/chrono
index c1a92595ff1f5..c66771ffbad1a 100644
--- a/libcxx/include/chrono
+++ b/libcxx/include/chrono
@@ -997,6 +997,7 @@ constexpr chrono::year                                  operator ""y(unsigned lo
 #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER == 20
 #  include <charconv>
 #  include <locale>
+#  include <ostream>
 #endif
 
 #endif // _LIBCPP_CHRONO
diff --git a/libcxx/test/libcxx/transitive_includes/cxx23.csv b/libcxx/test/libcxx/transitive_includes/cxx23.csv
index bfb8b5def6224..4cad0fdf31bde 100644
--- a/libcxx/test/libcxx/transitive_includes/cxx23.csv
+++ b/libcxx/test/libcxx/transitive_includes/cxx23.csv
@@ -75,7 +75,6 @@ chrono ctime
 chrono format
 chrono forward_list
 chrono limits
-chrono ostream
 chrono ratio
 chrono sstream
 chrono stdexcept
diff --git a/libcxx/test/libcxx/transitive_includes/cxx26.csv b/libcxx/test/libcxx/transitive_includes/cxx26.csv
index bfb8b5def6224..4cad0fdf31bde 100644
--- a/libcxx/test/libcxx/transitive_includes/cxx26.csv
+++ b/libcxx/test/libcxx/transitive_includes/cxx26.csv
@@ -75,7 +75,6 @@ chrono ctime
 chrono format
 chrono forward_list
 chrono limits
-chrono ostream
 chrono ratio
 chrono sstream
 chrono stdexcept