Test: dangling_cstr.cpp
dangling_cstr.cpp:2:16: error: 'string' in namespace 'std' does not name a type
    2 |     const std::string& formatMessage(const std::string& msg) {
      |                ^~~~~~
dangling_cstr.cpp:1:1: note: 'std::string' is defined in header '<string>'; did you forget to '#include <string>'?
  +++ |+#include <string>
    1 | // Store formatted message in class member or return string