[libcxx] Fix pop_back() tests to make sure they don't always just pass

2 files changed, 2 insertions, 0 deletions

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 1435f95633b..e4f5d0b0119 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 4714912ae06..388dfa4e1a8 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);
 }