From: Jonathan Wakely <jwakely@redhat.com>
Date: Fri, 23 Jul 2021 11:32:05 +0000 (+0100)
Subject: libstdc++: Reduce headers included by <future>
X-Git-Tag: upstream/12.2.0~6203
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3ea62a2b2ed739209936e0ed27539965ae4c9840;p=platform%2Fupstream%2Fgcc.git

libstdc++: Reduce headers included by <future>

The <future> header only needs std::atomic_flag, so can include
<bits/atomic_base.h> instead of the whole of <atomic>.

libstdc++-v3/ChangeLog:

	* include/std/future: Include <bits/atomic_base.h> instead of
	<atomic>.
---

diff --git a/libstdc++-v3/include/std/future b/libstdc++-v3/include/std/future
index 09e54c3..ace0c31 100644
--- a/libstdc++-v3/include/std/future
+++ b/libstdc++-v3/include/std/future
@@ -38,9 +38,10 @@
 #include <mutex>	      // call_once
 #include <condition_variable> // __at_thread_exit_elt
 #include <system_error>
-#include <atomic>
+#include <bits/atomic_base.h> // atomic_flag
 #include <bits/allocated_ptr.h>
 #include <bits/atomic_futex.h>
+#include <bits/exception_defines.h>
 #include <bits/invoke.h>
 #include <bits/unique_ptr.h>
 #include <bits/shared_ptr.h>