[PATCH] gcov: support GCC 7.1

["Martin Liška" <mliska@suse.cz>]

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Hello.

Starting from GCC 7.1, __gcov_exit is a new symbol expected
to be implemented in a profiling runtime.

Thanks,
Martin

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>From 84a106c16adc9591b546da7feb0fc539314e079d Mon Sep 17 00:00:00 2001
From: marxin <mliska@suse.cz>
Date: Fri, 30 Sep 2016 14:00:20 +0200
Subject: [PATCH] gcov: support GCC 7.1

Starting from GCC 7.1, __gcov_exit is a new symbol expected
to be implemented in a profiling runtime.

Signed-off-by: Martin Liska <mliska@suse.cz>
---
 kernel/gcov/base.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/kernel/gcov/base.c b/kernel/gcov/base.c
index 2f9df37..85dca5d 100644
--- a/kernel/gcov/base.c
+++ b/kernel/gcov/base.c
@@ -98,6 +98,12 @@ void __gcov_merge_icall_topn(gcov_type *counters, unsigned int n_counters)
 }
 EXPORT_SYMBOL(__gcov_merge_icall_topn);
 
+void __gcov_exit (void)
+{
+	/* Unused. */
+}
+EXPORT_SYMBOL(__gcov_exit);
+
 /**
  * gcov_enable_events - enable event reporting through gcov_event()
  *
-- 
2.10.1