diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 3a6fcfc2356..46f46e6244e 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2017-01-13  Richard Biener  <rguenther@suse.de>
+
+	PR middle-end/78411
+	* gcc.target/i386/pr45685.c: Add -ftree-loop-if-convert.
+
 2017-01-13  Andre Vehreschild  <vehre@gcc.gnu.org>
 
 	PR fortran/70697
diff --git a/gcc/testsuite/gcc.target/i386/pr45685.c b/gcc/testsuite/gcc.target/i386/pr45685.c
index f9ed973dd5f..135fe823fcf 100644
--- a/gcc/testsuite/gcc.target/i386/pr45685.c
+++ b/gcc/testsuite/gcc.target/i386/pr45685.c
@@ -1,5 +1,5 @@
 /* { dg-do compile { target { ! ia32 } } } */
-/* { dg-options "-O3 -mno-sse4" } */
+/* { dg-options "-O3 -mno-sse4 -ftree-loop-if-convert" } */
 
 typedef unsigned long long int uint64_t;
 typedef long long int int64_t;