Warnings in templates

[Gabriel Dos Reis]

Mark Mitchell <mark@codesourcery.com> writes:

[...]

| There are cases (like an "expression has no effect" warning in a
| template on the statement "3;") that we could issue with zero false
| positives in a template, and issuing those make sense to me.  If we're
| not sure, we can defer the warning until instantiation time.   I think
| things where we can't avoid false positives should be deferred until
| instantiation time.

Agreed.

-- Gaby