ziangwan added a comment.

In D64666#1598194 <https://reviews.llvm.org/D64666#1598194>, @jfb wrote:

> Thanks, the update looks good.
>
> One thing I just noticed: if I have a codebase with 
> `-Wimplicit-float-conversion` it seems like updating clang will automatically 
> turn the two new warnings on, correct? That seems good, but also difficult to 
> roll out because I can't turns off just the two new warnings. In other words, 
> if I want to adopt a new clang and I had `-Wimplicit-float-conversion` then 
> the only options I have are: fix all the new warnings (which might take time 
> given how much code I have), or turn off *all* of 
> `-Wimplicit-float-conversion`. I think it makes sense to force fixing all 
> warnings for the warning that's always a problem 
> `warn_impcast_integer_float_precision_constant`, but for 
> `warn_impcast_integer_float_precision` it would be nice if there were a 
> `-Wno-*` which disables only `warn_impcast_integer_float_precision` and 
> nothing else.
>  This would make it way easier to roll out a new clang.


Yes, you are right. I am thinking about making a new flag for the warning but 
make "definitely lose" one default on. How about 
`-Wimplicit-int-float-conversion`?


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D64666/new/

https://reviews.llvm.org/D64666



_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

Reply via email to