2 files changed, 8 insertions, 0 deletions
diff --git a/libcxx/test/std/algorithms/alg.sorting/alg.sort/partial.sort/partial_sort.pass.cpp b/libcxx/test/std/algorithms/alg.sorting/alg.sort/partial.sort/partial_sort.pass.cpp
index 7bb43461cba..62458eca930 100644
--- a/libcxx/test/std/algorithms/alg.sorting/alg.sort/partial.sort/partial_sort.pass.cpp
+++ b/libcxx/test/std/algorithms/alg.sorting/alg.sort/partial.sort/partial_sort.pass.cpp
@@ -22,13 +22,17 @@ void
 test_larger_sorts(unsigned N, unsigned M)
 {
     assert(N != 0);
+    assert(N >= M);
     int* array = new int[N];
     for (int i = 0; i < N; ++i)
         array[i] = i;
     std::random_shuffle(array, array+N);
     std::partial_sort(array, array+M, array+N);
     for (int i = 0; i < M; ++i)
+    {
+        assert(i < N); // quiet analysis warnings
         assert(array[i] == i);
+    }
     delete [] array;
 }
 
diff --git a/libcxx/test/std/algorithms/alg.sorting/alg.sort/partial.sort/partial_sort_comp.pass.cpp b/libcxx/test/std/algorithms/alg.sorting/alg.sort/partial.sort/partial_sort_comp.pass.cpp
index 4b7c5ee64c2..0289cf8391f 100644
--- a/libcxx/test/std/algorithms/alg.sorting/alg.sort/partial.sort/partial_sort_comp.pass.cpp
+++ b/libcxx/test/std/algorithms/alg.sorting/alg.sort/partial.sort/partial_sort_comp.pass.cpp
@@ -35,13 +35,17 @@ void
 test_larger_sorts(unsigned N, unsigned M)
 {
     assert(N != 0);
+    assert(N >= M);
     int* array = new int[N];
     for (int i = 0; i < N; ++i)
         array[i] = i;
     std::random_shuffle(array, array+N);
     std::partial_sort(array, array+M, array+N, std::greater<int>());
     for (int i = 0; i < M; ++i)
+    {
+        assert(i < N); // quiet analysis warnings
         assert(array[i] == N-i-1);
+    }
     delete [] array;
 }