Stop using random_shuffle in the libc++ test suite. It's going to be removed in c++17. Use shuffle() instead. No change to libc++, just the tests.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@294328 91177308-0d34-0410-b5e6-96231b3b80d8

test/std/containers/sequences/forwardlist/forwardlist.ops/sort.pass.cpp

@@ -15,10 +15,13 @@
 #include <iterator>
 #include <algorithm>
 #include <vector>
+#include <random>
 #include <cassert>
 
 #include "min_allocator.h"
 
+std::mt19937 randomness;
+
 template <class C>
 void test(int N)
 {
@@ -27,7 +30,7 @@ void test(int N)
     V v;
     for (int i = 0; i < N; ++i)
         v.push_back(i);
-    std::random_shuffle(v.begin(), v.end());
+    std::shuffle(v.begin(), v.end(), randomness);
     C c(v.begin(), v.end());
     c.sort();
     assert(distance(c.begin(), c.end()) == N);

test/std/containers/sequences/forwardlist/forwardlist.ops/sort_pred.pass.cpp

@@ -16,10 +16,13 @@
 #include <algorithm>
 #include <vector>
 #include <functional>
+#include <random>
 #include <cassert>
 
 #include "min_allocator.h"
 
+std::mt19937 randomness;
+
 template <class C>
 void test(int N)
 {
@@ -28,7 +31,7 @@ void test(int N)
     V v;
     for (int i = 0; i < N; ++i)
         v.push_back(i);
-    std::random_shuffle(v.begin(), v.end());
+    std::shuffle(v.begin(), v.end(), randomness);
     C c(v.begin(), v.end());
     c.sort(std::greater<T>());
     assert(distance(c.begin(), c.end()) == N);