Yes, it causes stack overflow at runtime. Compilers warn for it, in particular clang has a warning that you can configure to pop up whenever the stack usage of

Yes, it causes stack overflow at runtime. Compilers warn for it, in particular clang has a warning that you can configure to pop up whenever the stack usage of a function goes beyond some limit you set - I think that setting it to 32k or 64k is a safe and sane default as e.g. macOS thread stack sizes are just 512kb