diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index 5448567487c..329e75b5b05 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,7 @@
+2019-06-11  Jakub Jelinek  <jakub@redhat.com>
+
+	* libgcov-merge.c (__gcov_merge_single): Revert previous change.
+
 2019-06-10  Martin Liska  <mliska@suse.cz>
 
 	PR bootstrap/90808
diff --git a/libgcc/libgcov-merge.c b/libgcc/libgcov-merge.c
index 42416341b4d..f778cc4b6b7 100644
--- a/libgcc/libgcov-merge.c
+++ b/libgcc/libgcov-merge.c
@@ -34,9 +34,8 @@ void __gcov_merge_add (gcov_type *counters  __attribute__ ((unused)),
 #endif
 
 #ifdef L_gcov_merge_single
-void __gcov_merge_single (gcov_type *counters  __attribute__ ((unused)))
-{
-}
+void __gcov_merge_single (gcov_type *counters  __attribute__ ((unused)),
+			  unsigned n_counters __attribute__ ((unused))) {}
 #endif
 
 #else