[Bug c/53369] Integral promotion with ~ operator - Different behavior for signed and unsigned char.

[rahulnitk2004 at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53369

--- Comment #4 from Rahul Ramachandran <rahulnitk2004 at gmail dot com> 2012-05-16 09:09:07 UTC ---
So basically char value -128 is represented in integer as
11111111-11111111-11111111-10000000 and +128 as 10000000. So taking the
compliment will result in 0X7F and 0XFFFFFF7F.

Thanks for the explanation.

Rahul