From 0dc0969cd0a732760f0aa79942a04e0eaef297c4 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sun, 16 Apr 2017 16:03:23 +0000
Subject: Vendor import of libc++ trunk r300422:
 https://llvm.org/svn/llvm-project/libcxx/trunk@300422

---
 test/std/algorithms/alg.sorting/alg.nth.element/nth_element.pass.cpp | 5 ++++-
 .../algorithms/alg.sorting/alg.nth.element/nth_element_comp.pass.cpp | 5 ++++-
 2 files changed, 8 insertions(+), 2 deletions(-)

(limited to 'test/std/algorithms/alg.sorting/alg.nth.element')

diff --git a/test/std/algorithms/alg.sorting/alg.nth.element/nth_element.pass.cpp b/test/std/algorithms/alg.sorting/alg.nth.element/nth_element.pass.cpp
index 560bc902b482..b43d88fe0cc6 100644
--- a/test/std/algorithms/alg.sorting/alg.nth.element/nth_element.pass.cpp
+++ b/test/std/algorithms/alg.sorting/alg.nth.element/nth_element.pass.cpp
@@ -16,8 +16,11 @@
 //   nth_element(Iter first, Iter nth, Iter last);
 
 #include <algorithm>
+#include <random>
 #include <cassert>
 
+std::mt19937 randomness;
+
 void
 test_one(int N, int M)
 {
@@ -26,7 +29,7 @@ test_one(int N, int M)
     int* array = new int[N];
     for (int i = 0; i < N; ++i)
         array[i] = i;
-    std::random_shuffle(array, array+N);
+    std::shuffle(array, array+N, randomness);
     std::nth_element(array, array+M, array+N);
     assert(array[M] == M);
     std::nth_element(array, array+N, array+N); // begin, end, end
diff --git a/test/std/algorithms/alg.sorting/alg.nth.element/nth_element_comp.pass.cpp b/test/std/algorithms/alg.sorting/alg.nth.element/nth_element_comp.pass.cpp
index f2c962724f09..88249ed78d27 100644
--- a/test/std/algorithms/alg.sorting/alg.nth.element/nth_element_comp.pass.cpp
+++ b/test/std/algorithms/alg.sorting/alg.nth.element/nth_element_comp.pass.cpp
@@ -18,6 +18,7 @@
 #include <algorithm>
 #include <functional>
 #include <vector>
+#include <random>
 #include <cassert>
 #include <cstddef>
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
@@ -32,6 +33,8 @@ struct indirect_less
 
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
+std::mt19937 randomness;
+
 void
 test_one(int N, int M)
 {
@@ -40,7 +43,7 @@ test_one(int N, int M)
     int* array = new int[N];
     for (int i = 0; i < N; ++i)
         array[i] = i;
-    std::random_shuffle(array, array+N);
+    std::shuffle(array, array+N, randomness);
     std::nth_element(array, array+M, array+N, std::greater<int>());
     assert(array[M] == N-M-1);
     std::nth_element(array, array+N, array+N, std::greater<int>()); // begin, end, end
-- 
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