Turning warning "returning reference to temporary" into error?

[Gabriel Dos Reis]

Richard Guenther <rguenth@tat.physik.uni-tuebingen.de> writes:

[...]

| Wouldnt it be a good idea to at least turn the
| maybe_warn_about_returning_address_of_local warnings into an error with
| -pedantic? Or always?

This is not always practical since the actual meaning (i.e. error or
not) depends on the code path during runtime.

-- Gaby