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Date: Mon, 2 Aug 2021 16:16:10 +0000
From: Joseph Myers <joseph@codesourcery.com>
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To: <libc-alpha@sourceware.org>
Subject: Fix build of nptl/tst-thread_local1.cc with GCC 12
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The test nptl/tst-thread_local1.cc fails to build with GCC mainline
because of changes to what libstdc++ headers implicitly include what
other headers:

tst-thread_local1.cc: In function 'int do_test()':
tst-thread_local1.cc:177:5: error: variable 'std::array<std::pair<const char*, std::function<void(void* (*)(void*))> >, 2> do_thread_X' has initializer but incomplete type
  177 |     do_thread_X
      |     ^~~~~~~~~~~

Fix this by adding an explicit include of <array>.

Tested with build-many-glibcs.py for aarch64-linux-gnu.

diff --git a/nptl/tst-thread_local1.cc b/nptl/tst-thread_local1.cc
index 9608afa..338aafe 100644
--- a/nptl/tst-thread_local1.cc
+++ b/nptl/tst-thread_local1.cc
@@ -21,6 +21,7 @@
 #include <stdio.h>
 #include <string.h>
 
+#include <array>
 #include <functional>
 #include <string>
 #include <thread>

-- 
Joseph S. Myers
joseph@codesourcery.com