diff --git a/test/cfg/std.cpp b/test/cfg/std.cpp
index e05d43f6f92..4fab6bb6957 100644
--- a/test/cfg/std.cpp
+++ b/test/cfg/std.cpp
@@ -4925,6 +4925,13 @@ std::string global_scope_std() // #12355
     return ss.str();
 }
 
+::std::size_t global_scope_std2() // #12378
+{
+    std::vector<::std::size_t> v;
+    // cppcheck-suppress containerOutOfBounds
+    return v.front();
+}
+
 void unique_lock_const_ref(std::mutex& m)
 {
     std::unique_lock lock(m);