diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index 9dc5085334..a62d358c48 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2016-02-15  Jan Kratochvil  <jan.kratochvil@redhat.com>
+
+	* gdb.arch/i386-prologue.c: Add missing prototypes.
+
 2016-02-15  Jan Kratochvil  <jan.kratochvil@redhat.com>
 
 	* gdb.arch/i386-gnu-cfi.exp: Use standard_output_file.
diff --git a/gdb/testsuite/gdb.arch/i386-prologue.c b/gdb/testsuite/gdb.arch/i386-prologue.c
index 29c48c0ad3..edad366a1e 100644
--- a/gdb/testsuite/gdb.arch/i386-prologue.c
+++ b/gdb/testsuite/gdb.arch/i386-prologue.c
@@ -27,6 +27,10 @@ void gdb1253 (void);
 void gdb1718 (void);
 void gdb1338 (void);
 void jump_at_beginning (void);
+void standard (void);
+void stack_align_ecx (void);
+void stack_align_edx (void);
+void stack_align_eax (void);
 
 int
 main (void)