[testsuite] gcc.dg/memcmp-1.c: Fix testcase for newlib.

2017-01-31  Christophe Lyon  <christophe.lyon@linaro.org>

	* gcc.dg/memcmp-1.c (static void test_driver_memcmp): Call
	rand() instead of random().

From-SVN: r245061

gcc/testsuite/ChangeLog

+2017-01-31  Christophe Lyon  <christophe.lyon@linaro.org>
+
+	* gcc.dg/memcmp-1.c (static void test_driver_memcmp): Call
+	rand() instead of random().
+
 2017-01-30  Aldy Hernandez  <aldyh@redhat.com>
 
 	PR tree-optimization/71691

gcc/testsuite/gcc.dg/memcmp-1.c

@@ -28,12 +28,12 @@ static void test_driver_memcmp (void (test_memcmp)(const char *, const char *, i
   for(l=0;l<sz;l++) {
     for(i=0;i<NRAND/sz;i++) {
       for(j=0;j<l;j++) {
-	buf1[j] = random() & 0xff;
+	buf1[j] = rand() & 0xff;
 	buf2[j] = buf1[j];
       }
       for(j=l;j<sz;j++) {
-	buf1[j] = random() & 0xff;
-	buf2[j] = random() & 0xff;
+	buf1[j] = rand() & 0xff;
+	buf2[j] = rand() & 0xff;
       }
     }
     e = lib_memcmp(buf1,buf2,sz);