[cfe-commits] [PATCH] Enhance -Wtautological-compare

[Xi Wang]

On Mar 2, 2012, at 1:58 PM, Joerg Sonnenberger wrote:
> Portable code generally has to deal with "char", i.e. because it is an
> interface constraint. Please don't add warnings that triggers on one
> platform (which uses unsigned char by default like ARM), but not on
> others. I already gave you an instance for code using such checks.

Do you mean some ctype.h implementation?  Can you please point me to an
example where (char < 0) is used and char is unsigned?  Thanks. ;-)

- xi