re PR testsuite/70009 (test case libgomp.oacc-c-c++-common/vprop.c fails…

re PR testsuite/70009 (test case libgomp.oacc-c-c++-common/vprop.c fails starting with its introduction in r233607)

	libgomp/
	PR testsuite/70009
	* testsuite/libgomp.oacc-c-c++-common/vprop.c: Make test data signed.

From-SVN: r234124

libgomp/ChangeLog

+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.

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--)			\