diff --git a/libgomp/ChangeLog b/libgomp/ChangeLog
index 70db8981a84..7293e697362 100644
--- a/libgomp/ChangeLog
+++ b/libgomp/ChangeLog
@@ -1,3 +1,8 @@
+2016-03-10  Cesar Philippidis  <cesar@codesourcery.com>
+
+	PR testsuite/70009
+	* testsuite/libgomp.oacc-c-c++-common/vprop.c: Make test data signed.
+
 2016-03-09  Tom de Vries  <tom@codesourcery.com>
 
 	* testsuite/libgomp.oacc-fortran/kernels-loop-2.f95: New test.
diff --git a/libgomp/testsuite/libgomp.oacc-c-c++-common/vprop.c b/libgomp/testsuite/libgomp.oacc-c-c++-common/vprop.c
index a9b63dcea72..17b9568a16c 100644
--- a/libgomp/testsuite/libgomp.oacc-c-c++-common/vprop.c
+++ b/libgomp/testsuite/libgomp.oacc-c-c++-common/vprop.c
@@ -4,8 +4,8 @@
 void						\
 test_##type ()					\
 {						\
-  type b[100];					\
-  type i, j, x = -1, y = -1;			\
+  signed type b[100];				\
+  signed type i, j, x = -1, y = -1;		\
 						\
   _Pragma("acc parallel loop copyout (b)")	\
   for (j = 0; j > -5; j--)			\