diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index b6ba0ecb470..b4ccd4aca57 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2016-10-11  Jan Kratochvil  <jan.kratochvil@redhat.com>
+
+	* gdb.arch/powerpc-prologue.c (optimized_1): New declaration.
+
 2016-10-11  Jan Kratochvil  <jan.kratochvil@redhat.com>
 
 	* gdb.arch/powerpc-prologue.exp: Use standard_output_file
diff --git a/gdb/testsuite/gdb.arch/powerpc-prologue.c b/gdb/testsuite/gdb.arch/powerpc-prologue.c
index 6c10dfc83db..a1b80654edc 100644
--- a/gdb/testsuite/gdb.arch/powerpc-prologue.c
+++ b/gdb/testsuite/gdb.arch/powerpc-prologue.c
@@ -24,6 +24,7 @@
 #endif
 
 void gdb2029 (void);
+void optimized_1 (void);
 
 int
 main (void)