[Bug c/45780] Warning for arithmetic operations involving C99 _Bool variable

[ericb at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45780

Eric Blake <ericb at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |ericb at gcc dot gnu.org

--- Comment #1 from Eric Blake <ericb at gcc dot gnu.org> 2010-11-03 20:05:00 
UTC ---
Don't forget a warning on implicit conversions from int to bool, such as:

bool f(int i) { return i; }

although it might make sense to avoid warnings on provably 0/1 int conversion
to bool, as in:

bool f(int i) { i = !!i; return i; }