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Author SHA1 Message Date
Richard Trieu 1cd076eb34 Fix -Wlogical-not-parentheses to work better with C code. 
Remove the assumption of a Boolean type by checking if an expression is known
to have a boolean value.  Disable warning in two other tests.

llvm-svn: 245507
 2015-08-19 21:33:54 +00:00
Richard Trieu 0f09774f17 Extend -Wtautological-constant-out-of-range-compare to handle boolean values 
better.  This warning will now trigger on the following conditionals:

bool b;
int i;

if (b > 1) {}  // always false
if (0 <= (i > 5)) {} // always true
if (-1 > b) {} // always false

Patch by Per Viberg.

llvm-svn: 205608
 2014-04-04 04:13:47 +00:00