diff --git a/libcxx/test/libcxx/containers/sequences/deque/pop_back_empty.pass.cpp b/libcxx/test/libcxx/containers/sequences/deque/pop_back_empty.pass.cpp
index 1435f95633ba5..e4f5d0b01197b 100644
--- a/libcxx/test/libcxx/containers/sequences/deque/pop_back_empty.pass.cpp
+++ b/libcxx/test/libcxx/containers/sequences/deque/pop_back_empty.pass.cpp
@@ -22,4 +22,5 @@ int main() {
     q.push_back(0);
     q.pop_back();
     q.pop_back();
+    std::exit(1);
 }
diff --git a/libcxx/test/libcxx/containers/sequences/vector/pop_back_empty.pass.cpp b/libcxx/test/libcxx/containers/sequences/vector/pop_back_empty.pass.cpp
index 4714912ae0633..388dfa4e1a833 100644
--- a/libcxx/test/libcxx/containers/sequences/vector/pop_back_empty.pass.cpp
+++ b/libcxx/test/libcxx/containers/sequences/vector/pop_back_empty.pass.cpp
@@ -22,4 +22,5 @@ int main() {
     v.push_back(0);
     v.pop_back();
     v.pop_back();
+    std::exit(1);
 }