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* [committed] libstdc++: Reduce headers included by <future>
@ 2021-07-23 12:46 Jonathan Wakely
  0 siblings, 0 replies; only message in thread
From: Jonathan Wakely @ 2021-07-23 12:46 UTC (permalink / raw)
  To: libstdc++, gcc-patches

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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>.

Tested powerpc64le-linux. Committed to trunk.


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commit 3ea62a2b2ed739209936e0ed27539965ae4c9840
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Fri Jul 23 12:32:05 2021

    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 09e54c3703b..ace0c311f1a 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>

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