conversion warnings in c++

[Gabriel Dos Reis]

Eric Christopher <echristo@apple.com> writes:

| So, for calls in c++ we're warning unconditionally on something like:
| 
| int bar (int a, int b);
| 
| int main (void)
| {
|    float foo = 5.0;
|    float baz = 10.0;
| 
|    bar (foo, baz);
| 
|    return 0;
| }
| 
| int bar (int a, int b)
| {
|    return a + b;
| }
| 
| whereas in C we're warning depending on Wtraditional or Wconversion.
| As far as I can tell there's no required diagnostic for this in C++,
| though I could have missed it.
| 
| So, either a) did I miss something? or b) any objections to
| conditionalizing the warnings on Wconversion (or some method of
| turning them off)?

-Wconversion is a good idea.  I don't think -Wtraditional is relevant.

-- Gaby